Zepp App – allows you to check detailed health and exercise data BioTracker™ PPG biometric sensor – monitors health status 3-axis acceleration sensor and 4 satellite systems – senses the movement and position of the wearer 1.91″ TFT display with 320×380 resolution and 260 PPI TFT touch screen with tempered glass and anti-fingerprint coating 300mAh battery is fully charged in about 2 hours, magnetic charging cable included battery lasts about 10 days, 5 days with heavy use Bluetooth 5.2 for connectivity and phone calls waterproof IP68
