Description Connect to mobile phone Bluetooth version of BT. V5.0 for a smooth and powerful experience Elegant design and identical to the latest Apple Watch, with a screen size of 2.0 inches, type IPs, with a resolution of 385*385 pixels. Heart Rate and G-sensor Supports All Android Devices | iOS via Wear Fit Pro app Measures blood pressure and blood oxygen, as well as heart rate Supports sports activity mode with crash and pre-crash alarm 280 mAh battery for continuous use that lasts 2-4 days of use