KT77
Leave your phone in the locker. The KT77 smart watch lets you answer calls, play music, and track your workout—all from your wrist. Its 1.46-inch round screen is clear enough to see your pace and heart rate at a glance. You monitor your heart rate zones to stay in the fat-burn range or push harder.
After a sweaty session, no worry: it's waterproof to 10 meters. At night, the sleep tracker shows how long you spent in deep sleep. You adjust your bedtime and wake up refreshed. With Bluetooth call and music control, you stay connected without holding your phone. For under $20, it's a fitness tracker that simplifies your active routine.
Features
- Bluetooth call
- Heart rate monitoring
- Sleep tracking
- 33 feet waterproof
- Music playback
- Health tracking
- 1.46 inch round screen
General specs
- Model: KT77
- Seller: AliExpress
- ID: 1005009576397566
- Model: KT77
- Bluetooth: yes
- Screen Size: 1.46 inches
- Screen Shape: round
- Music Playback: yes
- Sleep Tracking: yes
- Water Resistance: 32.8 feet
- Heart Rate Monitor: yes
- First listed by seller: June 18, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | Jacoosa | aeac | ganopterygon | EarlySincere | Jacoosa | |
| Model | KT77 | B0FSKL8NH1 | TG38 | |||
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| Price | €17.27 | €17.44 | €56.70 | €13.95 | €17.44 | €17.44 |
| Seller | AliExpress | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Jun 18, 2026 | May 20, 2026 | May 29, 2026 | May 20, 2026 | May 27, 2026 | May 29, 2026 |
| Screen Size | 1.46 inches | 2.01 inch | 1.9 inch | |||
| Sleep Tracking | yes | Yes | Yes | |||
| Water Resistance | 32.8 feet | 5 ATM (50 meters) | IP68 | 5 ATM | ||
| Heart Rate Monitor | yes | 24-hour continuous | Yes | |||
| Display Size | 1.83 inches | 1.85 inches | 1.83 inch | |||
| Sports Modes | 130+ | 120+ | 123 modes | 130+ | ||
| Compatibility | Android 5.0+, iOS 9.0+ | iPhone, Samsung, Android, iOS | iOS, Android | Android, iOS | Android 5.0+, iOS 9.0+ | |
| Strap Material | Skin-friendly breathable silicone | Skin-friendly material | Skin-friendly breathable silicone | |||
| Bluetooth Calling | Yes | Yes | Yes | Yes | ||
| Battery Life | 7 days | Long-lasting | 5-7 days (use), 30 days (standby) | |||
| Display Type | HD touchscreen | HD Touchscreen | HD Full Touch Screen | |||
| Notification Support | SMS, app notifications | WhatsApp, Facebook, Twitter, etc. | WhatsApp, Twitter, Facebook, Email, App notifications | |||
Smart Watch with 1.46 Round Screen, Bluetooth Call, Music, Waterproof 1.46 inch round screen
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