Huawei Band 3 Pro 0.95-inch AMOLED colour touch screen Band Watch (Huawei Band 3 Pro ) Resolution: 240 x 120 pixels, RAM 384 KB, ROM 1 MB, Flash 16 MB, Capacity: 100mAh, 6-axis IMU sensor, Infrared wear sensor, Detached PPG cardiotachometer, Bluetooth frequency: 2.4 GHz, Full screen touch + Home key, Two PIN charging port, connected to charging cradle through clip, GPS Supported