Compatibility: Support smartphone or tablet with Android 4.4 & IOS 7.0 or higher os(iphone 4s, 5, 5s, 6, 6 plus, 6s, 6s plus and iPad series), download free Apps "Zeroner" from Apple Store or Google Play. Do Not Support PC and Windows phone. Specifications: * Waterproof: IP 65 (do not wear it when swim or shower) * Bluetooth Version: V4.0 BLE * Standby Time: 5-7 days * Battery Capacity: 75 mAh * Charging Interface: Standard USB interface 5V/1A * Color: Black, Blue, Red Notes: * 1. The screen will auto light up and display time when you turn over hand(not shake hand), it remains black when there's no activity. * 2. Touch screen control: click to confirm, slide to enter next icon, please refer to user manual. * 3. Enable message notification(facebook, twitter, skype) on "zeroner", the watch will vibrate and display caller ID or message content(32 characters per line, click to display the left). Note: iPhone will display both ID and message content, Andriod will display either. * 4. It tracks your steps, walking distance, calorie burnt, monitor sleep quality. Vibrating alarm reminds you of getting up, drinking water or long time sitting.
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