Specification: Operation method: Touch type Wireless distance: 5m-10m Charge: USB Port, Voltage 5 Wristband Maerial: TPU Battery Capacity: 90mAH System: Android,IOS Feature: Smart Bracelet BT4.0 Heart Rate Monitor Smartband Bluetooth Calling: Phone call reminder Health Tracker: Heart Rate Monitor,Pedometer,Calories Counter,Distance,Sleep Monitor, Music Control Other Functions: Alarm Alert,Time Clock,Anti-lost,Phone Finder Data Storage: Latest 7Days USB2.0-monitor sleep automatically and wake with a silent alarm Compatible with Android 4.3/iOS7.0 and above system SNS Alert: Facebook,Twitter,Wechat,QQ,Whatsapp,linked in,instagram,Facebook messenger Pedometers for walking,runing,gym,workout,excercise,jogging,Climb,Cycling,ETC,Outdoor,indoor Sport Tracker Package Include: 1 x Bluetooth Smart Bracelet 1 x User manual