Features : 1.3-inch AMOLED display with vivid details and rich colors, give you a real-life visual experience. 38 Sports modes, read your fitness metrics by raising your wrist. 5ATM waterproof, can be worn while washing hand or in rain, easily adapting to various environment. Enjoy healthy life with Spo2 measurement, heart rate monitoring, body pressure monitoring, sleep monitoring and etc. Provide synchronous display of message, call or social APP to remind you of important information. Specification: Item name: Mibro Watch X1 Dimension: 474711.4 mm Band size: 22*263 mm Weight: 52g(including strap) Material: Metal+PC/ABS+Silicone Diaplay: 1.3-inch AMOLED Screen Charging port: Magnetic charging port BT version: V5.0 Sensor: PPG heart rate sensor, Spo2 sensor, accelerometer Operating temperature: -20Â¡Ă¦~45Â¡Ă¦ APP: Mibro Fit APP support: Support Android 5.0 and above, IOS10.0 and above (Functions vary with specific watch models, mobile phones and countries) Watch / APP Languages: