1. This product is a charging dock used with for Nintendo Switch Dock base, used for Nintendo Switch Joy-Con Controller;2. This product has 4 charging slots, which support charging 1 to 4 controllers at the same time;3. Equipped with USB2.0 male plug interface, support for Nintendo Switch Dock base to provide power input for the product;4. Extended USB2.0 female socket, support DC5V power output, support communication function;5. This product supports storage of 8pcs game cards;Specification:Input DC voltage: 5VInput current: 1AOutput voltage: 5VCharging current: approximately equal to 200mAx4Rated power: 1Wx4Charging time: 3 hourssize:242x73x40mmMaterial:ABScolour:Black/White/BrownPackage Contents:1 x Charging baseOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.