Support accurate real-time blood pressure, blood oxygen and heart rate measurement<br> Multi-sport modes(Walking, Running, Cycling, Skipping), support data recording in sports mode, monitoring motion status,<br> With Pedometer function, support steps, calories, distance tracking<br> Support sleep quality monitoring<br> Support instant messages from Whatsapp, skype, news, etc<br> Other setting includes Alarm, Brightness adjustment, Mute setting, Reset, Power Off, etc<br> Bluetooth 4.0 connectivity, stable signals and low power consumption<br> Widely compatible with Android 5.1 or above and iOS 9.0 or above smartphone<br> Specification:<br> APP: Da fit<br> Type of battery: Lithium polymer battery<br> Battery Capacty: 140mAh,<br> working time: 3 days<br> standy time: 8 days<br> CPU: HS6620D<br> Memory: RAM 128KB+ ROM 256KB,SPI 4MB<br> Bluetooth: Ver 4.0<br> Languages:Chinese French Spanish English Russian Japanese Portuguese<br> Screen Size:1.3 inch TFT round screen<br> Touch Screen: Single Touch<br> Resolution: 240*240 pixel<br> Compatability: Android 5.1 / iOS 9.0 and above<br> Sensors: Heart-rate sensor, Gravity sensor<br> People: Unisex<br> Case material: Plastic material case + Interchangeable TPU watchband<br> Dimension: 50*45*9.6mm