Dimensions: 47.5 x 41.1 x 10.5 mm (without the strap or protrusions); weight: 31.5 g (without the strap); frame made of aluminum alloy; TPU strap; blood oxygen and heart rate sensors; GPS, Galileo, Glonass, Beidou, and QZSS satellite positioning systems; 470mAh battery with a 20-day battery life; 1.97" square AMOLED display; 60Hz refresh rate; 600 nits of brightness; integrated GNSS and speaker; Bluetooth call support; 5ATM water resistance.