Overview This USB 2.0 cable connects your smart watch to your computer’s USB port for charging. Or you can connect to the USB Power Adapter for convenient charging from a wall outlet.* Highlights FAST CHAEGE & STABLE PERFORMANCE OVER-VOLTAGE & OVER-CURRENT PROTECTION Tech Specs Materials: PC+ABS (Recharge Stand),PVC (Cable) Cable Length: 3.3 ft./100 cm Charge Time: 60 Minutes Input: 5V / 1000-1500 mAh Output: 5V / 1000 mAh Chip Protective voltage / Current : 6V / 200mA Tips to help you protect your smart watch better: *Using the charging cable with built-in chip, can effectively prolong the service life of smart watch. *Limit recharging time to 80 minutes is appropriate. *Charging your smart watch before the battery runs down. *Don't use the cell phone charger, please connected to USB Power Source on PC, Mac, Laptop or Notebook for more stable voltage.