HD Large Screen: The watch uses a 1.85 -inch 240*280 resolution IPS full-view large-screen large screen, which shows more delicate and clear, and the field of vision is more natural Bluetooth Call Simultaneously Chat: Using the high fidelity AAC waterproof speaker. Bluetooth-free call shows high-definition original sounds. Whether it is exercise or driving, the phone calls are pushed to the watch in time to answer it Water Resistant: IP68 swimming-grade waterproof Breakthrough life unlimited possibility. The waterproof level reaches the 1P68 level, you can wear a watch to act in the swimming pool for water 24-Hour Heart Rate Monitoring: The watch is equipped with an optical heart rate sensor, which can perform daily 24 hours uninterrupted high-precision HR monitoring. On the wrist, through different flow speeds of the blood Weather Forecast: What is the weather condition? Watches know the weather in the next week know the weather in the bad weather in advance, and protect your safety Specifications: 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: Full touch screen Battery capacity: 400mAh Standby time: 30 days 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)