· Dual-core 2-in-1 chip

· 1.85″ HD screen

· Frame rate of 60fps

· Wrist Bluetooth calling

· Updated 4 PD heart rate monitoring

· 70 sport modes

· 10-day battery life

· 2ATM waterproof

Dual-straps in the box： ● Silicone strap ● Woven strap