Balance 3 | AMOLED | 3.81 cm (1.5") | Brightness 3000 cd/m² | Display type Digital | Display resolution 480 x 480 pixels | Touchscreen Yes | Watch glass type Sapphire | Operating system installed Zepp OS | Flash memory 64 GB | Band material Silicone | Band size One Size | Shape Round | Market positioning Sport watch | Watch case size 51 mm | Watch case colour Black/Titanium | Watch case material 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 life 21 day(s) | Weight 55 g