Features Pedometer, exercise distance, calorie consumption, heart rate detection, blood pressure detection, blood oxygen detection, weather forecast, voice assistant, Bluetooth call, Bluetooth music, multi-sport mode, SNS message reminder, sleep detection, stopwatch, timer, alarm clock, breathing training, find your phone, sedentary reminder, smart alarm clock, female physiological reminder, mini games and more Colour: black/army green/earth yellow Dimensions Dial L*W: 50*44mm Strap size Length 205mm; Width 22mm Antenna Leaded antenna Bluetooth 5.0. Main chip Realtek 8763ew G-sensor model STK8325 Memory 256KB +External 128Mb Charging method Magnetic adsorption type LCD specification 1.85 inch TFT Resolution 240*280 Waterproof speaker Size 1508 Waterproof microphone Size 4015 Touch screen specification Full touch screen Battery capacity 400 mAh Theoretical standby time 30 days Theoretical working time 7-10 days Motor Built-in, vibration alert Heart rate sensor LC11S Charging voltage 5V Charging current 160mA Charger specification DC 5V (current 0.5A is sufficient) APP support 18 languages (Chinese Traditional, Chinese Simplified, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Romance languages, Portuguese, Arabic, Greek, Dutch, Polish, Turkish, Thai, Vietnamese, Indonesian); bracelet push support 140 languages; UI display support 18 languages (Chinese Traditional, Chinese Simplified English, Japanese, German, Russian, Spanish, Italian, French, Romance languages, Portuguese, Greek, Dutch, Polish, Turkish, Thai, Vietnamese, Indonesian)