Certification: FAD,CE,ROSH Brand Name: oem/odm Model Number: 116 plus Place of Origin: shenzhen Display Type: TFT Screen: < 2" Display Color: Color Feature: Touch Screen, bluetooth, EMAIL, IP67 waterproof Operation System: ANDROID, IOS Camera: No Camera Band Material: Silica Gel Case Material: plastic Function: chronograph, COMPASS, THERMOMETER, Lighting, Alarm Clock, WORLD TIME, Sleep Tracker, Fitness Tracker, Dial Call, Heart Rate Tracker, Blood oxygen monitor Product Model: K4(116 plus) Master Chip: Tai Ling Wei 8266 Sensor: Three-axis gravity sensor PPG Ship: HRS3300DS Virbation: Loundspeaker Mute/Vibration Waterpfoof Level: IP45 Compatible System: Android 4.4 and above,iOS 8.2 and above Special Features: Feature: Touch Screen, bluetooth, APP Control Screen Size: 1.3inch 240*240 12pin TFT screen Language: English(Multi Language Support)