Considerate Service: Witmoving provides worry-free 12-months warranty and free life-time technical support and professional after-sales for this waterproof fit watch. Please kindly contact us([email protected]) if there's any problem with the product, sure we'll solve it and provide excellent service for you! Features: 1.Sleep Monitoring: Are you curious whether your sleep quality is good or not? The activity tracker will track and analyze your sleep quality in the whole process like the time to fall asleep, deep sleep, shallow sleep, awake you gently without disturbing the one sleeping beside. 2.Anti-lost function: Confirms the relative distance between the cellphone and the smart bracelet, if the separation distance exceeds the safe distance, the alarm system will activate. 3.Multiple Languages Warm Tips: 1.Please notice that the data will be reset to 0 when you connect to the app again. Please keep your phone nearby to the watch and wear it out to walk. So that the data can update continuously.2.Recently APP upgrade, if the equipment out of sync or incorrect data, please download the latest APP. 3.If you are unable to synchronize, or the APP flashes back, you need to exit the APP, or delete the APP to download again, and check whether the phone's capacity is sufficient. 4.Waterproof in daily life, but not in shower, swimming, diving. Specification: Compatibility System: Android 4.4 or above / iOS 8.0 or above Screen: OLED Touchscreen 0.86 inches Waterproof: IP67 Battery type: 50mAh / Polymer lithium batteryCharging time: About 0.5 hour Bluetooth: BLE4.0 Sensor: 3D Accelerometer/Gyroscope Device size: 1.6'' x 0.41'' x 0.62''(40.3*10.5*15.7mm) Package: 1 x Smart Bracelet 1 x Charging Cable 1 x User Manual
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