3.81 cm (1.5") | AMOLED | Brightness 3000 cd/m² | Display type Digital | Display resolution 480 x 480 pixels | Touchscreen Yes | Watch glass type Sapphire | Operating system installed Zepp OS | Band material Silicone | Band size One Size | Shape Round | Market positioning Sport watch | Watch case size 48 mm | Watch case colour Gold | Watch case material Polymer,Titanium | Band colour Black | Heart rate monitor Yes | Near Field Communication (NFC) Yes | Wi-Fi Yes | Bluetooth version 5.2 | Battery type Built-in battery | Battery capacity 700 mAh | Weight 52 g