1.39-inch AMOLED screen with 454 x 454 resolution. Metal body with ceramic and plastic parts. 5ATM water resistance (suitable for swimming). Built-in GPS. Heart rate sensor. Accelerometer, gyroscope, compass, and barometer sensors. Bluetooth 4.2 connectivity. Battery lasts up to 14 days with typical use. Works with Android and iPhone devices via the Huawei Health app ((Price is negotiable, please do not undervalue the item)) Condition: Used