JingXiGuoJi Novelty Unisex Bluetooth 4.0 Smart Wrist Watch Bracelet Sport Gym Fitness Tracker Stopwatch (Support IOS.7 and Above;Android 4.3 and Above) (Rose) 100% Brand New and High Quality. Material: OLED Screen with Silicone Strap Application Function:Pedometer/Sleep Monitor/Bluetooth/Stopwatch/Ultra-long standby time/Low radiation/Chinese&English Rated capacity of Built-in Lithium battery:80mAh Bluetooth Standard:4.0+EDR