Xiaomi Watch S1

Display: 1.43" AMOLED display Adjustable length: 165.1mm-225.1mm (leather); 149.8mm-233.8mm (fluororubber) Materials: Sapphire glass + stainless steel case Battery Type: Lithium-ion polymer battery Charging Port: Wireless charging Sensors Heart rate sensor (with blood oxygen sensor), accelerometer, gyroscope, geomagnetic sensor, atmospheric sensor, ambient light sensor Speakers: Supports Microphone: Supports Battery Capacity: 470mAh Water resistance rating: 5 ATM Working temperature: -10℃-45℃