Active 3 , AMOLED , 3.35 cm (1.32") , Brightness 3000 cd/m² , Display type Digital , Display resolution 466 x 466 pixels , Touchscreen Yes , Watch glass type Sapphire , Band material Silicone , Shape Round , Market positioning Smartwatch , Watch case colour Gold , Watch case material Aluminium,Stainless steel , Band colour White , Heart rate monitor Yes , Near Field Communication (NFC) Yes , Bluetooth version 5.3 , Battery type Built-in battery , Battery capacity 365 mAh , Battery life 12 day(s) , Charging time 2 h , Weight 38 g