A. Interface designed to prevent oxidation. More efficient transmission. Made of metal material with strong tensile strength. B. Multiple protections technology provides short-circuit-protection, over load and overvoltage-protection. C. High working efficiency and fast charging speed. D. Magnetic charging: the built-in magnetic charging module can be easily connected to your watch. Convenient to charge without worrying about sudden loosening during charging. E. Fit for Willful IP68/ Willful SW021/ID205U/ID205S/ID205L/ID216/021/SW021/SW025/SW01/SW023/Uwatch 3/Uwatch Ufit/ Uwatch GT smartwatch. [NOTE]: If you are unsure of the model, please contact customer service. Applicable to multiple models, not only the data written out of the model. The probe spacing is 2.5mm, the magnetic suction spacing is 8mm can be used. F. Specifications: Material:PC+ABS G. Cable Length:Approx.60cm/23.62' H. Quantity:1pc,2pcs(optional) I. Package Includes: 1x Smarwatch Charger or 2x Smarwatch Charger J. note: Please allow 1mm errors due to manual measurement. K. Due to the difference between different monitors, the picture may not reflect the actual color of the item.