Opta Heat Rate Series(Black Strap, Size : 256)

Color:S1-Black Specification: APP Name: Smart WristBand CPU: BT V4.0 BLE Display: 0.96 inch, 64*128 Acceleration: 3-axis G-sensor Heart rate: Dynamic heart rate detection Battery: 90ma Lithium-ion polymer rechargeable battery Motor: Built-in,remind with vibration Font: Full character display Charge: 5V USB jack, charge by PC USB Water-proof level: IP67,Swimming diving(depth not over 1m, time not over 30mins) Using time: About 10 days Data Sync: Data synchronization to mobile app Data storage: Storage 7 days' sports data Compatibility: Support IOS 7.0 and above, Android 4.3 and above Operation mode: Touch button operation，power on/off，reset Support more than 200 types of Android & IOS phone