Product details:

Built-in GPS/GNSS/GLONASS/BeiDou, S8 with 64-bit dual-core processor, W3 Apple wireless chip, U1 chip (Ultra Wideband), Always-on altimeter, Capacity 32GB, Blood oxygen sensor, Third-generation optical heart sensor, Electrical heart sensor, Certified IP6X dust resistant, High-g accelerometer, High-dynamic-range gyroscope, Ambient light sensor, Always-On Retina LTPO OLED display with Force Touch (1000 nits), Digital Crown with haptic feedback, Second-generation speaker and mic, Aluminum models have Ion-X front glass,Wi-Fi 802.11b/g/n 2.4GHz, Bluetooth 5.0, Built-in rechargeable lithium-ion battery, Up to 18 hours of battery life, Water resistant 50 meters, Swimproof
Size:45 mm
Assembled Product Weight:0.84 lb
Battery Life:18 h
Brand:Apple
Manufacturer Part Number:MNUL3LL/A
Color:Midnight
Watch Band Style:Sport Band
Assembled Product Dimensions (L x W x H):10.00 x 6.00 x 1.00 Inches