Waterproof grade:IP68 Screen:1.28 inch Pedometer:Yes Calorie counter:Yes Heart rate:YesColour: Black Screen size: 1.6 inches Camera: 5 million pixels Communication function: support Screen resolution more→: 400*400 Strap size: S (suitable for 135-150mm wrist circumference) Additional functions: video entertainment, step counting, mobile positioning, monitoring, social entertainment, smart reminder, remote selfie, health monitoring, information push, tracking/alarm, sports tracking Communication type: pluggable card Body memory: 3G+32G Battery capacity: 1260mAh Waterproof grade: life waterproof Operation mode: touch Wristband Material: Silicone Compatible system: fully compatible Battery life: