Original Xiaomi Watch S1 GPS Smart Watch(Wise Elegant Black)

Product Specifications: 1. Sensors: heart rate sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor 2. Dimensions: 46.5 x 46.5 x 11mm (excluding strap and partial protrusions) 3. Satellite positioning system: GPS, Beidou, GLONASS, GALILEO, QZSS 4. Product material: sapphire glass + stainless steel middle frame 5. Battery capacity: 470mAh Li-ion polymer battery 6. Display: 1.43 inch AMOLED screen 7. Waterproof grade: 5ATM 8. Resolution: 466x466 9. Working temperature: -10-45 degrees Celsius 10. Charging interface: wireless charging 11. Support system: Android 6.0 & iOS 10.0 and above 12. Adjustable length: 157-241mm 13. Wireless connection: Wi-Fi IEEE 802.11b/g/n 2.4GHz; Bluetooth 5.2 14. Other functions: support bluetooth answering calls, support emergency calls, press the lower right button 3 times to automatically call emergency contacts (this function requires setting up emergency contacts on the mobile phone first); built-in APP, support application market to download online APP; NFC ;117 sports modes; dual-frequency GNSS five-star positioning; all-weather heart rate/sleep monitoring, blood oxygen detection Notice: 1. This is the Chinese version, the default language of the watch is only Chinese now, more languages may be updated in the future 2. Android users download the Xiaomi Wear APP, IOS users download the Xiaomi Wear Lite APP, please change the region of the APP to China, the APP can also support English Packing list: Watch body x 1 Wireless charging base x 1 Data cable x 1 Instruction Manual x 1