1. Main chip: Realtek 8762C+BK 2. Acceleration sensor: Lanwei SC7A20 3. Heart rate sensor: Tianyi Hexin 3300 4. Screen: 1.28 inch IPS full touch screen, 240x240 resolution 5. Material: zinc alloy + PC + PU leather strap 6. Memory: 160KB RAM extended SPI 16MB 7. Bluetooth: Bluetooth LE 5.0+3.0 8. Battery capacity: 200mAh fully charged in 2 hours, can be used for about 4-7 days, theoretically standby for 30 days 9. Support Android 4.4 and above, iOS9.0 and above 10 Function: - Health monitoring: blood pressure, blood oxygen measurement, exercise heart rate curve, sleep monitoring, sedentary reminder, drink reminder - Sports monitoring: pedometer/calories, multi-sports mode (walking, running, cycling, skipping rope, basketball, swimming, badminton, football) - Life assistant: alarm clock reminder, remote control camera, remote control music, call answer/rejection, Bluetooth dialing, message push 11. Watch language: Simplified Chinese, Traditional Chinese, English, French, Spanish, Russian, Portuguese, German, Korean, Arabic, Ukrainian, Italian 12. App language (Da Fit): Simplified Chinese, Traditional Chinese, English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portugal Languages, Russian, Swedish, Thai, Ukrainian
