Functions Instruction Activities Record: Record daily activities, you could check daily activities including steps, distance and calorie consumption in the app. Sleep Monitoring: Device could automatically recognize your status and monitoring the whole sleep progress with analyzing the deep sleep and light sleep hours. Remind Alerts: Alarm alert, call alert, sedentary alert, etc. by silent vibration. Anti-Lost: When the smart phone is beyond the Bluetooth range (No more than 5m), the device vibrates to remind. Remote Camera Control: Device key could control remote photograph shooting. Basic Specifications: CPU: Nordic nRF51822 Sensor: Kionix KX022-1020 HR Sensor: Silicon Labs Si1142 Host Weight: 21g Battery Type: Rechargeable Li Battery Battery Capacity: 55mAb Data Sync: Bluetooth 4.0 Working Temperature: -10C-45 C Waterproof: Not for swimming or diving Standby time: 15 days & above This product is applied by professional Bluetooth RF signal and own-developed algorithm, the accuracy can reach 95% and above.
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