Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
KOSPET T4 SE Black
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Last known price: BYN 739.00 (BYN)
Price source: Rulez BY
Price record dated 11/5/26
Saved price in the source currency; not a current offer. The date refers to the price record, not a stock check.
Features
- 1.43-inch AMOLED display with 466 x 466 resolution and always-on display
- Bluetooth 5.3 smartphone connection; supports Android and iOS
- Touchscreen and physical buttons; calls can be controlled and answered via the watch
- Steel case and replaceable steel strap, both black; butterfly clasp
- IP69K and MIL-STD-810H protection ratings; 10 ATM water resistance
- Built-in heart rate monitor, blood oxygen measurement, GPS, altimeter, barometer, pedometer and ambient light sensor
- Maximum runtime in normal mode: 1500 hours
- 32 GB built-in storage; magnetic charging and fast charging
General specs
- Brand: KOSPET
- Model: T4 SE
- Seller: Rulez BY
- ID: 1442709
- NFC: No
- ANT+: No
- Brand: Kospet
- Calls: Call control and conversation via the watch
- Wi-Fi: No
- Width: 48.6 mm
- Length: 48.6 mm
- Weight: 250 g
- App Store: No
- Thickness: 13.7 mm
- Case Color: Black
- Clasp Type: Butterfly clasp
- ECG sensor: No
- Model Name: T4 SE
- Depth gauge: No
- Strap Color: Black
- Display Size: 1.43 inches
- Product Type: Smartwatch
- Case Material: Steel
- Charging Type: Magnetic
- Fast Charging: Yes
- Notifications: SMS, email, calendar, social networks, incoming calls, workout data and alarm
- Product family: Tank
- Remote Control: Smartphone camera and smartphone music player
- Sport profiles: Strength training, cardio training, walking, running, cycling and swimming
- Strap Material: Steel
- Watch controls: Touchscreen and physical buttons
- Watch payments: No
- Voice Assistant: No
- Workout planner: Yes
- Built-in storage: 32 GB
- SIM Card Support: No
- Always-on display: Yes
- Replaceable strap: Yes
- Smart alarm clock: No
- Display Resolution: 466 x 466
- Display Technology: AMOLED
- Protection Ratings: IP69K, MIL-STD-810H
- Scratch protection: Yes
- Market release year: 2025
- Additional Functions: Sleep tracking, calories burned counting, heart rate monitoring, timer, stopwatch, compass and smartphone finder
- Sensors and tracking: Ambient light sensor, barometer, pedometer, built-in heart rate monitor, blood oxygen measurement, GPS and altimeter
- Built-in music player: No
- Smartphone connection: Bluetooth 5.3
- Water Resistance Rating: 10 ATM
- Blood Pressure Measurement: No
- Supported Operating Systems: Android, iOS
- Skin temperature measurement: No
- Maximum runtime in normal mode: 1500 hours
- First listed by seller: November 5, 2026
The Kospet Tank T4 SE is a black smartwatch with a steel case and replaceable steel strap. It has a 1.43-inch AMOLED display, supports calls via the watch, and offers workout planning and sport profiles for strength training, cardio training, walking, running, cycling and swimming.
It has IP69K and MIL-STD-810H protection ratings and a 10 ATM water resistance rating. Maximum runtime in normal mode is stated as 1500 hours.
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