Xiaomi Smart Watch S1 Black - Mobopro1

Display: 1.43'' AMOLED display Resolution: 466 x 466 pixels | 60Hz High refresh rate Bluetooth® phone call: When your phone receives a call, you can answer it on your watch with one touch and talk directly into the watch (Your watch must be connected to the phone) Blood oxygen monitoring: All-day heart rate and SpO₂ monitoring Straps: Xiaomi Watch S1 (Black), is with black leather strap and black fluororubber strap.Xiaomi Watch S1 (Silver), is with brown leather strap and grey fluororubber strap. Adjustable Length: 157–241 mm Watch strap material: Fluorine rubber/Leather Sensors: Optical heart rate sensor, Accelerometer, Gyroscope, Electronic compass, Barometer Sensor Light Sensor, Cap sensor - Multi-channel PPG Bio-sensor Water Resistant Level: 5ATM (Can be worn during swimming) Battery: 470mAh - 12 Days for typical usage Charging: Wireless charging NFC: Supports contactless payment with MasterCard Connectivity: Bluetooth 5.2® - Wi-Fi IEEE 802.11b/g/n 2.4GHz Fitness Modes: 117 Fitness Mode Dimensions: 46.5 x 46.5 x 10.9 mm Weight: 52g (not include strap)