Product Name: Activity Tracker Bracelet Waterproof Pedometer with Heart Rate Monitor, Sleep Monitor, Step Counter, Sports Wristbands Compatible with iPhone and Android Model NO.: FT088 Feature: Bluetooth, Water Resistant Material: TPU+ABS Usage: Communication Display: IPS Screen: 1.14 Inch OS: Android 4.4 and Above Ios 9.0 and Above Chip: Nrf52832 Heart Rate Sensor: Hrs3300 Screen Resolution: 240*240 Trademark: Neutral Transport Package: Carton Origin: China HS Code: 9031809090 Product Description Chip: Nordic nRF52832Compatible: Android5.0(Contain)or above,IOS8.0(Contain)or aboveMemory: 512KB FLASH + 64KB RAMScreen : 1.14 inch TFT / Resolution: 135RGB*240Type: Single point touchBluetooth: BT BT4.0Capacity: 140mAh / Charging Method: USBWaterproof : IP67APP: H BandFunction: Sports record(Step,Distance,,Calorie calculation),Sport mode,Message push,Information storage,Heart rate monitoring,Sleep monitoring,Blood pressure measurement,Stopwatch,Full font language,Color display, Step, Sleep,Real-time heart rate,Alarm clock,Shake a pictures, Personal information,Raised your hand to bright screen,Sedentary reminder,Separate switch(Call,Message,Wechat,QQ,Facebook,Twitter,linkedIn,WhatsApp,Line,Instagram,Snapchat,Skype,Gmail,Other applications for mobile phones)