W5S Detachable Sports Wrist ..

W5S Detachable Sports Wrist Watch IP65 Waterproof Smart Bracelet with Sleep Monitoring Pedometer Calorie Consumption - Blue Features: Compact and lightweight design, fashionable and comfortable to wear Support pedometer tracker and calorie consumption Temperature display lets you know the current temperature Lift up the wrist, wake up the screen Built-in 50mAh rechargeable battery, long standby time Comes with a Micro USB cable for charging, cable length: 130.6mm IP65 waterproof and dustproof, perfect for outdoor use Certified by CE, RoHS Specifications: Model: W5S Material: Silicone + plastic Display: LED seven-segment display Display temperature range: -9°C ~ 50°C, 14°F ~ 122°F Data transfer: Micro USB port Pedometer accuracy: ±1% Number of steps: No limit Waterproof level: IP65 Battery: 50mAh polymer battery Battery life: >300 times charge-discharge cycles Charging voltage: DC 5V Atmospheric pressure: 860hPa-1060hPa Working temperature: -9°C ~ 50&d