Unboxed Bluetooth Waterproof Smart Bracelet ( 3 Month Seller Warranty)

When use the smart bracelet first, you need to connect the APP to calibrate the time 1. Please download APP: SCAN QRcode from the instruction book to download 2. Please open mobile Bluetooth, and the bracelet closed within 5 cm. 3. Check device system version and Bluetooth version, Confirm clearly before purchasing. (They must meet two conditions: iOS 7.0+ and Bluetooth 4.0+; Android 4.4+ and Bluetooth 4.0+.) 4. Please note,If the wristbands display Chinese, please open app and wristbands for conduct sync,Can be switched to English. 5. If the wristbands are not synced,please contact us,we will help you to solve the problem as soon as possible. 6. For Android Smartphones, it can support all the function in the description; For iOS iPhone, it cannot support call reminder, message reminder Specification: Display: 0.69 inch OLED Strap Material: TPU Battery capacity: 45mAh Standby time: 10 days Batteries Type: Lithium Polymer Battery Capacity: 45mAh Waterproof: IP65 Heart rate sensor: Optical heart rate sensor Adjustable length: 157-205mm Measuring method: photoelectric volume pulse wave plethysmography (PPG) Bluetooth chip: Dialog top Bluetooth chip (Bluetooth 4.0) Sensor: ADI military gravity sensor Length: 157-205 mm Package Includes: 1 x Smart Bracelet 1 x Charger Cable 1 x User Manual
This is a used product with third-party/seller warranty. It is 7-level quality tested and factory restored by highly qualified professionals. The device may have cosmetic blemishes, but is in good working condition.