EX17 Outdoor Sports Smartwatch Bracelet 5 ATM Long Standby Time Standby Fitness Tracker Watch for Android IOS it works constantly for 20

it works constantly for 20 mins for 6 times when the battery is fully charged (about 2 hours)

Light Bulb Type: LED

Built-in 0

and is wear-resistant

safe to use it

EX17 Outdoor Sports Smartwatch Bracelet 5 ATM Long Standby Time Standby Fitness Tracker Watch for Android IOS it works constantly for 20Product Features: 1. 12 inch LCD FSTN full view screen Built in 220mAh battery capacity, standby time about 12 months 24 hours real time sporting activities tracker, Walking pace, walking mileage, physical consumption of three data at a plance step forward BLE4. 0, call and SMS alert and various social chat messages to remind: QQ, Micro letter, Twitter, Facebook, Skype IP67, 50 meters professional waterproof, making it a charm when being exposed in