Easy to operate: Simply attach the charging cable to the smart watch to start charging. No extra steps or tools required. Fast charging and durable: Ultrafast transfer rate with a flexible, soft cable. Abrasion resistant and bend resistant for long durability, suitable for use environments. Safe and practical: Provides overcurrent protection when connected to a USB power source, helping to safeguard your smart watch. Data transfer and charging dock: The USB cable charging dock also enables you to transfer your activities data between your smart watch and a computer. Use scenarios: At home or in the office: Charge your smart watch while you sync activity data to your computer. While traveling: Keep your watch charged on the go, with data transfer available when connected to a computer. In the gym or during workouts: Quick up between sets and later transfer activity data to your computer.