Fitness Tracker with Sleep Monitor Intelligent 1.47 Inch Full Touch Screen NFC Sensor Analysing Sleep IP67 Waterproof Pedometer Step Counter for IOS Black Item Type: Smart bracelet Material: Plastic, TPU Battery Type: Protective plate polymer pure cobalt battery cell Battery Capacity: 220mAh APP Name: H Band" CPU Chip: 7013A6 PPG Sensor Chip: FAE VP556ER Chip: FAE VP556ER Blood Oxygen Chip: FAE VP556ER Gravity Acceleration Sensor: KXTJ3 1057 Display: 1.47 inch Resolution: 172 x 320 HD touch screen Waterproof: IP67 rating Bluetooth: Bluetooth 5.1 (for Android5.0 above, for IOS9.0 above) Touch: Full touch screen (full lamination screen) Shell Material: Plastic Strap: Eco friendly TPU strap / PU Leather strap Charging: USB magnetic 2pin charging cable Health Monitoring: With advanced sensors through the analysis of sleep efficiency, latency, time, stage, movement, body temperature, etc., a comprehensive understanding of sleep behaviour and physical status Exercise Pedometer: Exercise steps, exercise mileage record, calorie consumption, multiple exercise modes. Exercise track (mobile phone APP display) Standby Time: 30 days standby, daily battery life of 4-7 days (the above data out of the factory laboratory, may be due to individual use of the environment, the process varies) Life Assistant Function: Silent alarm clock, remote photo, music control, sedentary reminder, drinking water reminder, weather display, lift wrist to light up the screen, incoming call reminder, text message reminder, countdown, shake to take a picture, mobile phone search, etc. APP Language: Russian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, Chinese (Simplified), Chinese (Traditional), English, Portuguese, Spanish, Vietnamese, Arabic, Korean. Watch Firmware Language: Chinese Simplified, Chinese Traditional, Korean, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian, Turkish, Croatian, Polish Fitment: Fit for IOS Fit for Android