Screen Size: 45mm
Chip: S9
Case material: Aluminium Case
Band Style: Sport Loop
Display: Always-On Retina display Up to 2000 nits
ECG app: Yes
Cellular and GPS: GPS
SIM Card: Not Support
water resistant: Water resistant 50 m.
wireless charging: Yes, Faster charge time
Battery Life: Up to 18 hours, Up to 36 hours in Low Power Mod
Operating System: watchOS 10
Color: Starlight Aluminium Case with Starlight Sport Loop
Dimensions W x D x H: 3.8 x 4.4 x 1.07 cm.
Weight: 0.038 Kg.
Warranty: 1 Year
Option: N/A