Amazon - Smart Rings
Found 548 items
BetterLife Horizons Smart Ring Matte Black Size-11 Tracks sleep, fitness, nutrition, stress
$250.00
- Specifications
- Brand: BetterLife Horizons
- Model: Smart Ring Matte Black Size-11
- Package Dimensions: 12.83 x 5.98 x 3.5 inches
- Item Weight: 0.124 ounces
- Batteries: 1 Lithium Ion batteries required. (included)
- OS: iOS, Android
- Connectivity Technologies: Bluetooth
- Special Features: Sleep Monitor, Lightweight, Multisport Tracker, Accelerometer, Activity Tracker
- Battery Power Rating: 14.5 Milliamp Hours
- Whats in the Box: USB cable, Gabit Smart Ring (Matte Black, Size-11), Charging case, User manual
- Weight: 3.5 Grams
- Memory Storage Capacity: 1 MB
- Specifications
- Brand: RENPHO
- Model: LYNX
- product_dimensions: 0.71 x 0.71 x 0.12 inches
- item_weight: 0.16 Ounces
- batteries: 1 Lithium Ion batteries required. (included)
- waterproof: 5ATM
- battery_life: 7 days
- Specifications
- Brand: RENPHO
- Model: Lynx
- product_dimensions: 0.75 x 0.75 x 0.12 inches
- item_weight: 0.16 Ounces
- batteries: 1 Lithium Ion batteries required. (included)
- waterproof: 5ATM
- battery_life: 7 days
- Specifications
- Brand: Guangdong Jiu Zhi Technology Co., Ltd.
- Model: BOR-01
- product_dimensions: 4.7 x 4.7 x 4.3 inches
- item_weight: 13.1 ounces
- batteries: 1 Lithium Polymer batteries required. (included)
- country_of_origin: China
- Specifications
- Brand: Anarow
- Model: R10M
- package_dimensions: 3.58 x 3.5 x 1.38 inches
- item_weight: 3.5 Ounces
- batteries: 1 Lithium Polymer batteries required.
- memory_storage_capacity: 4 MB
- country_of_origin: China
- Specifications
- Brand: Anarow
- Model: R10M
- package_dimensions: 3.58 x 3.54 x 1.42 inches
- item_weight: 3.5 Ounces
- batteries: 1 Lithium Polymer batteries required.
- memory_storage_capacity: 4 MB
- country_of_origin: China
- Specifications
- Brand: Anarow
- Model: R10M
- package_dimensions: 6.06 x 3.62 x 1.38 inches
- item_weight: 3.5 Ounces
- batteries: 1 Lithium Polymer batteries required.
- country_of_origin: China
- Specifications
- Brand: SEEKZERO
- Model: cf2e03fe-8138-4d9b-83bf-8cba28263dc7
- package_dimensions: 4 x 3.1 x 1.5 inches
- item_weight: 3.2 ounces
- batteries: 1 Lithium Ion batteries required. (included)
- date_first_available: April 8, 2025
- manufacturer: SHENZHEN GREPOW BATTERY CO., LTD
- country_of_origin: China
- Specifications
- Brand: MUNBYN
- package_dimensions: 3.1 x 2.8 x 1.97 inches
- item_weight: 3.2 ounces
- batteries: Nonstandard Battery batteries required.
- date_first_available: June 26, 2025
- manufacturer: MUNBYN
- country_of_origin: China
- standing_screen_display_size: 12 Millimeters
- Specifications
- Brand: Hunan Constant Li Electronic Technology Co., Ltd.
- package_dimensions: 1 x 1 x 1 inches
- item_weight: 1 Grams
- batteries: 1 Lithium Ion batteries required. (included)
- date_first_available: May 21, 2025
- country_of_origin: China
- memory_storage_capacity: 64 MB
- Specifications
- Brand: ELENVA
- Model: ELENVA-Gen 1
- package_dimensions: 3.15 x 3.15 x 1.46 inches
- item_weight: 3.1 ounces
- batteries: 1 Lithium Polymer batteries required. (included)
- country_of_origin: China
- Specifications
- Brand: Cvrpaor
- Model: Sr2023
- package_dimensions: 3 x 2 x 1.5 inches
- item_weight: 0.5 Ounces
- batteries: 2 A batteries required.
- date_first_available: June 10, 2025
- language: English
- country_of_origin: China
- standing_screen_display_size: 0.5 Inches
- memory_storage_capacity: 64 GB
- ram_memory_installed_size: 0.5 GB
- Specifications
- Brand: Cvrpaor
- Model: Sr2023
- package_dimensions: 3 x 2 x 1.5 inches
- item_weight: 0.5 Ounces
- batteries: 2 A batteries required.
- date_first_available: June 10, 2025
- language: English
- country_of_origin: China
- standing_screen_display_size: 0.5 Inches
- memory_storage_capacity: 64 GB
- ram_memory_installed_size: 0.5 GB
- Specifications
- Brand: TAKVA
- Model: Zikr Flex Pro
- department: unisex-adult
- batteries: 1 Lithium Ion batteries required. (included)
- date_first_available: August 21, 2024
- display: 0.42" OLED
- weight: 7.8g
- battery_life: up to 7 days of normal use
- Specifications
- Brand: Weyrinice
- package_dimensions: 4.02 x 3.11 x 1.26 inches
- item_weight: 3.2 ounces
- batteries: 1 A batteries required. (included)
- standing_screen_display_size: 0.1 Inches
- memory_storage_capacity: 128 MB
- country_of_origin: China
- Specifications
- Brand: LONGQQ
- Model: R10
- package_dimensions: 4 x 4 x 1 inches
- item_weight: 3.2 ounces
- batteries: 1 9V batteries required. (included)
- standing_screen_display_size: 1 Inches
- memory_storage_capacity: 0.5 MB
- ram_memory_installed_size: 104 MB
- Specifications
- Brand: YULUCKGO
- Model: BJ02
- package_dimensions: 3.15 x 3.11 x 1.14 inches
- item_weight: 3.2 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- date_first_available: June 22, 2025
- country_of_origin: China
- Specifications
- Brand: Generic
- Model: R18
- Material: High-quality stainless steel
- Weight: 4-5 grams
- Waterproof: IP68
- Battery Life: 7-10 days
- Compatibility: iOS 8.0+, Android 5.1+
- Bluetooth: 5.0
- Charging: Magnetic fast charging
- Specifications
- Brand: BIEMHA
- package_dimensions: 3.5 x 3.15 x 1.46 inches
- item_weight: 3.2 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- customer_reviews: ratings_count: 172, stars: 4.7
- date_first_available: May 13, 2025
- manufacturer: BIEMHA
- country_of_origin: China
- standing_screen_display_size: 1 Millimeters
- Specifications
- Brand: Emerhome
- batteries: 1 9V batteries required.
- date_first_available: June 15, 2025
- country_of_origin: China
- standing_screen_display_size: 1
- Specifications
- Brand: BIEMHA
- package_dimensions: 3.5 x 3.15 x 1.46 inches
- item_weight: 3.2 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- standing_screen_display_size: 1 Millimeters
- Specifications
- Brand: Duobuy
- Model: Smart Ring
- package_dimensions: 3.62 x 3.54 x 1.26 inches
- item_weight: 3.2 ounces
- batteries: 1 A batteries required. (included)
- waterproof: IP68
- Specifications
- Brand: Duobuy
- Model: Smart Ring
- package_dimensions: 3.66 x 3.58 x 1.26 inches
- item_weight: 3.52 ounces
- batteries: 1 A batteries required. (included)
- waterproof: IP68
- compatibility: Android 4.4 / iOS 8.4 or above
- Specifications
- Brand: Tiantianka
- package_dimensions: 3.58 x 3.54 x 1.26 inches
- item_weight: 2.89 ounces
- batteries: 1 A batteries required. (included)
- waterproof: IP68
- compatibility: Android 4.4 / iOS 8.4 or above
- Specifications
- Brand: COLMI
- Model: R12
- package_dimensions: 3.94 x 3.15 x 0.98 inches
- item_weight: 3.53 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- date_first_available: June 16, 2025
- manufacturer: Shenzhen COLMl Technology Co., Ltd
- country_of_origin: China
- Specifications
- Brand: Naughtbaby
- Model: FitElf 3 Pro
- package_dimensions: 3.15 x 3.15 x 1.18 inches
- item_weight: 3.04 ounces
- batteries: 1 9V batteries required. (included)
- waterproof_rating: IP68
- battery_life: 10 days
- Specifications
- Brand: Naughtbaby
- Model: 3 Pro
- package_dimensions: 3.54 x 3.43 x 1.85 inches
- item_weight: 4.2 ounces
- batteries: 1 9V batteries required. (included)
- date_first_available: July 4, 2025
- country_of_origin: China
- Specifications
- Brand: UPDEI
- Model: R5
- product_dimensions: 10.24 x 3.15 x 0.67 inches
- item_weight: 76 Grams
- batteries: 1 AAA batteries required. (included)
- standing_screen_display_size: 9 Centimeters
- memory_storage_capacity: 64 MB
- ram_memory_installed_size: 64 MB
- country_of_origin: China
- Specifications
- Brand: Wuzutech
- Model: P1
- package_dimensions: 3 x 3 x 2 inches
- item_weight: 2.39 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- waterproof: Yes
- battery_life: 6 days
- Specifications
- Brand: BENIO
- Model: Ring Gen 2
- package_dimensions: 3.07 x 2.91 x 1.85 inches
- item_weight: 2.39 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- memory_storage_capacity: 4 MB
- country_of_origin: China
- Specifications
- Brand: UPDEI
- Model: R5
- product_dimensions: 10.24 x 3.15 x 0.67 inches
- item_weight: 76 Grams
- batteries: 1 AAA batteries required. (included)
- date_first_available: June 21, 2025
- country_of_origin: China
- standing_screen_display_size: 8 Centimeters
- memory_storage_capacity: 64 MB
- ram_memory_installed_size: 64 MB
- Specifications
- Brand: SSDTH
- Model: III
- package_dimensions: 3.15 x 3.15 x 1.18 inches
- item_weight: 3.04 ounces
- batteries: 1 12V batteries required. (included)
- date_first_available: May 8, 2025
- country_of_origin: China
- Specifications
- Brand: BENIO
- Model: Ring Gen 2
- package_dimensions: 3.03 x 2.95 x 1.81 inches
- item_weight: 2.89 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- memory_storage_capacity: 4 MB
- country_of_origin: China
- Specifications
- Brand: SSDTH
- Model: PulseMax ™
- package_dimensions: 3.15 x 3.15 x 1.18 inches
- item_weight: 3.04 ounces
- batteries: 1 12V batteries required. (included)
- date_first_available: May 8, 2025
- country_of_origin: China
- Specifications
- Brand: UMEOX
- Model: iQ-J01
- package_dimensions: 6.1 x 4.84 x 1.61 inches
- item_weight: 0.22 Kilograms
- batteries: 1 Lithium Ion batteries required. (included)
- standing_screen_display_size: 1 Centimeters
- country_of_origin: China
- Specifications
- Brand: Weyrinice
- package_dimensions: 3 x 3 x 1.18 inches
- item_weight: 2.4 ounces
- batteries: 1 A batteries required. (included)
- date_first_available: June 13, 2025
- country_of_origin: China
- memory_storage_capacity: 128 MB
- Specifications
- Brand: DustAway
- Model: SR03
- package_dimensions: 3.15 x 3.15 x 1.18 inches
- item_weight: 3 Grams
- batteries: 1 Nonstandard Battery batteries required. (included)
- memory_storage_capacity: 0.12 MB
- ram_memory_installed_size: 0.09 MB
- country_of_origin: China
- Specifications
- Brand: Generic
- Model: BJ02
- package_dimensions: 0.1 x 0.1 x 0.1 inches
- item_weight: 0.004 ounces
- batteries: 1 9V batteries required. (included)
- date_first_available: May 31, 2025
- country_of_origin: China
- standing_screen_display_size: 0.1 Inches
- memory_storage_capacity: 80 MB
- Specifications
- Brand: Weyrinice
- package_dimensions: 3 x 3 x 1.18 inches
- item_weight: 2.4 ounces
- batteries: 1 A batteries required. (included)
- date_first_available: June 12, 2025
- country_of_origin: China
- memory_storage_capacity: 128 MB
- Specifications
- Brand: Kalaxy47
- Model: SR-2025
- package_dimensions: 3.54 x 3.54 x 1.57 inches
- item_weight: 7 ounces
- batteries: 1 A batteries required. (included)
- date_first_available: July 6, 2025
- country_of_origin: China
- standing_screen_display_size: 0.1 Inches
- memory_storage_capacity: 128 MB
- Specifications
- Brand: Weyrinice
- package_dimensions: 3 x 3 x 1.18 inches
- item_weight: 2.4 ounces
- batteries: 1 A batteries required. (included)
- date_first_available: June 13, 2025
- manufacturer: Weyrinice
- country_of_origin: China
- memory_storage_capacity: 128 MB
- Specifications
- Brand: ailyfu
- Model: 863f62f0-912e-4430-9398-476581cf356b
- package_dimensions: 3 x 2 x 2 inches
- item_weight: 4.4 ounces
- batteries: 1 12V batteries required. (included)
- memory_storage_capacity: 2 MB
- waterproof_rating: IP68
- battery_capacity: 15mAh
- compatibility: Android 5.1 or above, iOS 8.0 or above
- Specifications
- Brand: Comforniture
- Model: R01
- package_dimensions: 3 x 3 x 1 inches
- item_weight: 3.85 Ounces
- batteries: 1 9V batteries required. (included)
- date_first_available: January 20, 2025
- country_of_origin: China
- memory_storage_capacity: 0.06 MB
- Specifications
- Brand: Hivisuals
- Model: R-18
- package_dimensions: 3.03 x 3.03 x 1.85 inches
- item_weight: 3.2 ounces
- batteries: 1 AA batteries required.
- memory_storage_capacity: 10 MB
- waterproof: IP68
- compatibility: Android 6.0, iOS 10.0 or above
- Specifications
- Brand: Mirlray
- Package Dimensions: 2.95 x 2.95 x 1.18 inches
- Item Weight: 2.24 ounces
- Batteries: 1 A batteries required. (included)
- Date First Available: June 23, 2025
- Country of Origin: China
- Specifications
- Brand: Mirlray
- package_dimensions: 2.95 x 2.95 x 1.18 inches
- item_weight: 2.24 ounces
- batteries: 1 A batteries required. (included)
- date_first_available: June 6, 2025
- country_of_origin: China
- Specifications
- Brand: Jojovenusmall
- Model: Smart Ring
- package_dimensions: 3.15 x 3.15 x 1.18 inches
- item_weight: 0.09 Pounds
- batteries: 1 Nonstandard Battery batteries required. (included)
- memory_storage_capacity: 1 MB
- country_of_origin: China
- Specifications
- Brand: Twievo
- Batteries: 1 Lithium Metal batteries required. (included)
- Date First Available: October 15, 2024
- Manufacturer: Twievo
- Country of Origin: China
- Item Weight: 1 Milligrams
- Standing Screen Display Size: 0.7 Inches
- Memory Storage Capacity: 49.99 MB
- Specifications
- Brand: Oucscru
- Model: 39555c77-f711-4c9e-9b63-274ff6ac182b
- package_dimensions: 3.5 x 3.5 x 2.7 inches
- item_weight: 0.8 Ounces
- memory_storage_capacity: 8 MB
- batteries: 1 Nonstandard Battery batteries required. (included)
- country_of_origin: China
- Specifications
- Brand: MagLoop
- Model: R06
- package_dimensions: 3.98 x 3.11 x 1.26 inches
- item_weight: 2.39 ounces
- batteries: 1 Lithium Polymer batteries required. (included)
- standing_screen_display_size: 0.8 Centimeters
- country_of_origin: China
- Specifications
- Brand: Mirlray
- Model: 7
- package_dimensions: 2.95 x 2.95 x 1.18 inches
- item_weight: 2.24 ounces
- batteries: 1 A batteries required. (included)
- date_first_available: June 23, 2025
- country_of_origin: China
- Specifications
- Brand: SARUNN ER
- Model: 762833974445
- package_dimensions: 3.62 x 3.54 x 1.26 inches
- item_weight: 3.52 ounces
- batteries: 1 A batteries required. (included)
- standing_screen_display_size: 0.1 Inches
- waterproof_depth: 90 meters
- Specifications
- Brand: Comforniture
- Model: SL
- package_dimensions: 3.15 x 3.11 x 1.14 inches
- item_weight: 2.39 ounces
- batteries: 1 Lithium Ion batteries required. (included)
- memory_storage_capacity: 128 MB
- waterproof: IP68 up to 1000m
- Specifications
- Brand: VNEXFU
- Waterproof Rating: IP68
- Material: Titanium
- Included Components: 1 x Heart Rate Monitor, 1 x Sensor
- Compatibility: Bluetooth
- Battery Life: Up to 7-Day
- Specifications
- Brand: UXOXU
- Package Dimensions: 3.07 x 2.91 x 1.85 inches
- Item Weight: 4 Grams
- Batteries: 1 CR5 batteries required. (included)
- Waterproof Level: IP68
- Working Hours: 3-5 days
- Charging Time: 1-2 hours
- Supported Languages: English, Spanish, French, German, Portuguese, Italian and so on
- Specifications
- Brand: OUD Bukhoor
- Model: ZR-05
- package_dimensions: 3.39 x 3.07 x 2.13 inches
- item_weight: 2.71 ounces
- country_of_origin: China
- department: mens
- Specifications
- Brand: gifskiu
- Model: gifskiu
- package_dimensions: 3.94 x 3.15 x 0.79 inches; 3.53 ounces
- item_model_number: gifskiu
- date_first_available: July 11, 2025
- manufacturer: gifskiu
- Specifications
- Compatibility: iOS 9.0 and higher, Android 5.0 and higher
- Battery Life: 3-5 days normal use, Extendable to 60 days with charging case
- Charging Time: 2 hours
- Waterproof: IP68
- Specifications
- Brand: EOGBM
- Model: Smart Ring
- Sensors: Heart rate, Blood oxygen, Blood pressure
- Battery Life: 4-6 days on a 1.5-hour charge, Up to half a month on standby
- Waterproof: 5ATM
- Compatibility: iPhone, Android
- Specifications
- Brand: femometer
- Model: Smart Ring Sizing Kit
- product_dimensions: 4.21 x 4.21 x 0.75 inches
- item_weight: 2.08 ounces
- customer_reviews: 4.7 stars, 25 ratings
- date_first_available: November 29, 2024
- manufacturer: LOLLIPOP TECHNOLOGY (HANGZHOU) CO., LTD
- country_of_origin: China
- standing_screen_display_size: 1 Inches