Description: Features:brand new and high quality.suitable for Apple Watch 44mm/42mm 40mm/38mm Series 4/3/2/1Convenient to carry around with lightweight and compact design.Conversion efficiency: greater than 73% Output short circuit for protection Overvoltage and overload filter for protection Transmission distance : 2mm Specifications:Material: PlasticColor: Black,White(optional)Size: 5.2cmx4.5cmx5.5cmCable length: 100cmInput: 5V/1AOutput: 5V/0.5A Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:1 X Wireless Charging Cable dock for Apple Watch