1. Bluetooth call, Bluetooth music; 2. AMOLED high-definition resolution (466 * 466) display screen, constantly on display; 3. Health monitoring function: 24-hour continuous heart rate, 24-hour precise sleep monitoring, red blood oxygen, HRV, Lorenz scatter plot, Mett, female health, blood sugar, respiratory training, stress testing; 4. Practical functions: 100+sports mode, mini games, timer, calculator, voice assistant, flashlight, split screen UI, etc; Bluetooth call, Bluetooth music playback control, Bluetooth camera breathing training Activity: Step count, calories, distance Information notification, weather, alarm clock, stopwatch, timer, flashlight, search phone, voice assistant, computer, mini game 100+sports modes: running sports, cycling sports, outdoor sports, dance sports, indoor sports, combat sports, ball sports, water sports, leisure sports, chess and card sports, etc; Do Not Disturb mode, APP download, multiple dial switching, turning the wrist to turn on the screen, turning the wrist to turn off the screen, brightness adjustment, switch settings, local time setting on the watch, constant on display Default languages (English): Chinese, Japanese, English, German, French, Italian, Spanish, Portuguese, Russian, Indonesian, Romanian, Arabic, Arabic System requirements: Android 5.1 and above, IOS 8.2 and above, supporting Bluetooth 4.0 Bluetooth version: Bluetooth 5.3 Main control chip: JL7013A Heart rate chip: GH3018 G-Sense: KX1057 Battery capacity: 230mAh Main body memory: SRAM: 640KB+ROM: 2M External memory: 128M Standby time: 10-15 days Battery life: 5-7 days Long lasting battery life: 2 days Charging method: magnetic suction charging Built in motor, vibration reminder Waterproof grade: IP68 Material: aluminum parts+plastic Watch size: 43.7mm * 11.8mm Band width: 22mm