Watch Band Material: Silicone
Shell Material: Zinc Alloy + Plastic
Available Colors: Black, Gold, Pink
Display & Operation:
Screen Size: 1.72-inch Square Color Display
Resolution: 240 × 280 pixels
Operation Mode: Multi-Touch + Physical Buttons
Performance & Battery:
Bluetooth Version: Bluetooth 5.0
Battery Capacity: 220mAh
Charging Method: Magnetic Charging
Charging Specification: 1A or Less
Charging Time: 2 Hours
Waterproof Rating: IP67
Compatibility:
Compatible Platforms: iOS 8.0, Android 4.4 and Above
Package Contents:
1 × NK21 Smart Bracelet
1 × User Manual
1 × Connecting Small Card
1 × Packaging Box