Letscom fitness tracker with heart rate monitor, everything you expected from a fitness tracker with a compact design. Requires iOS 7. 1 strap: TPU Dimension: suits for wrist size: 5. 4 inch – 7. 6 inch Battery type: Li Battery capacity: 65mAh Working time: 5-10 days Charging method: USB charging time: 1-2 hours Weight:...

Start Your Healthy Life with LETSCOM ID132Color HR Fitness Tracker. Compatibility: This fitness tracker requires iOS 8. 0 or later / Android 4. 4 or later system, Bluetooth 4. 0 or later (Smartphone only, not for PC, iPad or tablets). Use with “VeryFitPro” App: Connect the fitness tracker with our customized “VeryFitPro” app for...

iPhone Egglettes Product Features Heart Rate & Sleep Monitoring: Tracks real-time heart rate automatically & continuously and automatically tracks your sleep duration & consistency with comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle All-day Activity Tracking: Accurately record all-day activities like steps, distance, calories burned, active minutes and...

Vestcom Fitness Tracker with Heart Rate Monitor, Smart fitness watch guides you a health life Compatibility: Only works with smartphones that have iOS 8. 0 or later/Android 4. 4 or later system, Bluetooth 4. 0 or later. Cannot be used with PCs or tablets. Very Fit Plus app may NOT work with US version...