1The main control chip adopts Nordic nRF52832 imported chip, 110 mAh high-energy density lithium polymer battery, strict ripple processing on the motherboard and support ESD static protection. 2Greater stability, lower power consumption, and greater endurance. 3IP68 30m / 98.4ft waterproof, enough to withstand daily rain and sweat, suitable for sports. 4Support heart rate monitoring, high heart rate reminder, blood pressure monitoring and multi-sports mode. 5USB charging, easy to change strap, convenient and comfortable to wear. 64 different style dials, you can directly view the time, steps, heart rate and weather forecast data. 7The original phase PAH8001 heart rate chip is used to measure heart rate more accurately.Condition: 100% Item Type: Smart Bracelet Material: Silicone Optional Color: Black, Pink, Blue, Green, Red, Orange Battery Capacity: 110MAH (Built-in) Support Multiple Social Information Reminders: Support for Facebook / for Twitter / SMS / QQ / WeChat / WhatsApp / Skype / Instagram / LinkedIn / Line ...Function: Call reminder, call rejection GPS motion track Sleep monitoring Music control Camera control Sedentary reminder Find phone Flipping wrist and brighten the screen Aerial upgrade Alarm reminder Step counting + calories + distance, goal completion reminder One-click reset1 x Smart Bracelet1 x Manual