Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Zeblaze GTS4 Ultra-Slim Bluetooth Call Heart Rate Blood Oxygen Monitor Sleep Monitoring Smartwatch
Product details
General specs
- Brand: Zeblaze
- Model: GTS4
Starting from €16.19
Last price update: 5/9/26
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| Brand | Zeblaze | iBesi | Senbono | Jugeman | DIVOAZBVO | LODIMEKE |
| Model | GTS4 | JX629 | TK29 | IDW26 | ||
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| Price | €16.19 | €17.84 | €26.85 | €16.95 | €10.12 | €26.77 |
| Seller | Banggood | Retailer | Banggood | Retailer | Retailer | Retailer |
| Update | May 9, 2026 | Mar 21, 2026 | May 9, 2026 | Jun 19, 2026 | Mar 21, 2026 | Jun 24, 2026 |
| Charging Time | 2-3 hours | About 2-3 hours | 2 hours | |||
| Battery Capacity | 300mAh | 300mAh | 350mAh | |||
| Bluetooth Version | BLE5.3 | BLE5.3 EDR | 5.3 | |||
| Waterproof Rating | IP68 | IP68 | IP68 | |||
| Battery Life | 7 days | 7 days continuous use, 30 days standby | 7 days | |||
| Display Size | 1.83 inches | 1.57 inches | 1.83 inches | 1.83 inches | ||
| Display Type | HD Touchscreen | HD touch screen | IPS | |||
| Compatibility | iPhone, Android | Android, iOS | iPhone (iOS 9.0+), Android (5.0+) | Android 6.0+, iOS 9.0+ | ||
| Additional Features | Fitness Tracker, Music Control, Camera Control, Customizable Watch Faces, Sedentary Alerts, Activity Tracking, Goal Setting | Weather forecast, Stopwatch, Timer, Music control/play, Find phone/watch, Breathing training, Smart alarm clock, Camera control, Women health, Sedentary reminder | Customizable Watch Faces, Music Control, Camera Control, Notifications for Calls/Messages/Social Media, Step Counter (activates after 20 steps), Eco-Friendly Design | Women's cycle tracking, Hydration reminders, Guided breathing exercises, Notifications, Watch faces (100+), Wake-up alarm, Stopwatch, Music remote, Camera remote, Brightness adjustment, Weather forecast, Flashlight, Find my phone, Do Not Disturb mode | ||
| Water Resistance Rating | IP68 | IP67 | IP68 | |||
| Health Monitoring | Heart Rate Monitor, Blood Oxygen (SpO2) Monitor, Blood Pressure Monitor, Stress Tracking, Breathe Training, Sedentary Reminder, Sleep Monitor | Heart rate, Blood oxygen, Stress, Sleep quality, Steps, Distance, Calories | Heart rate, SpO2, Stress levels, Sleep stages | |||
