NK21 1.72 inch Square Screen Bluetooth Calling Silicone Strap Sports Smart Watch Waterproof Heart Rate Health Monitoring Smart Bracelet - Gold
Bluetooth music function, connect to your phone, put on your watch to exercise, and enjoy beautiful music, you can quickly switch songs and pause music on the watch
High-precision optical heart rate sensor and smart algorithm. More accurate and faster heart rate monitoring, Allows you to check your physical and mental health at any time
IP67 life waterproof, splash-proof, hand-washing and other life scenes wear worry-free use, no need to take off the watch
Using magnetic charging cable, automatic adsorption for charging, 2 hours fast full charge, full battery life use 3-7 days
Specification:
Model: NK21
Strap material: Silicone strap
Bluetooth: Bluetooth5.0
Shell material: zinc alloy + plastic
Operation mode: multi-touch + physical buttons
Battery capacity: 220mAh
Display: 1.72-inch square color screen, resolution 240*280
Charging method: Magnetic charging
Charging time: 2 hours
Waterproof grade: IP67
Watch display language: Chinese, English, Russian, Spanish, Portuguese, French, Japanese