Description: Material: PC case and Medical Environmental Soft Rubber Watch band Screen: OLED, 0.84/0.86 inches Transmission: Bluetooth 4.0 BLE Sensor: 3 axis Acceleration Sensor Motor: Vibration Battery: 50mAh Standby time: 10-12 days Time: RTC + Time Synchronization USB Recharging OS: Android and iOS Water Proof: IP67 OS Requirement: above Android 4.0 and iOS 7.0 Product User Notice: 1. Please make sure bracelet charged before pairing 2. Make sure the 1st time you pair with bracelet is with APP 3. Click and hold the button, until the word "Pair" appears on screen, then pair with other devices PS: 1. The later the Operating System (iOS Android) is, the better performance the bracelet has. TROUBLE SHOOTING 1. Bluetooth connecting issue: please download the APP first and register it, then find the device with APP; press and hold button on bracelet until "pair" the word showed and twinkling, then APP will find the bracelet named "SMART"; touch it to connect and agree "Bluetooth Paring Request" to touch "pair", then the pairing part is done. 2.Charge problems: Please note that first do not reverse the charger pins, or it will lead to burnt of chips. The former charger has got some problem sometimes indeed. Please contact us by email when you purchase one of this item, we will send you the updated charger which could charge the item perfectly. 3. To turn on the bracelet, just charge it corrrectly, it will work automatically. 4. Our products is keeping improving and updating all the time, and once we updated our products, we will send to Amazon warehouse directly. 5. Based on the content above, please contact us via email directly if there's anything wrong with the product, we guarantee to solve your problem promptly and ensure you satisfied.
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