Features: Brand new and high quality The USB speed control line with switch is a must have for those who want to adjust the speed and brightness of their 5V products such as USB fans, USB desktop fans, and USB lights. The USB speed control line with switch is made of high quality plastic material that ensures durability and longevity. The USB speed control line with switch is suitable for both indoor and outdoor use. The USB speed control line with switch is compatible with 5V2A input and has a charging function. The USB speed control line with switch is an essential accessory for those who want to enjoy the convenience of adjusting the speed and brightness of their 5V products. Specifications: Material: Plastic Color: Black Interface A: USB female Interface B: USB male Length: 45cm Package Includes: 1PC x USB Cable with Switch note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.