WIDELY USE: This cable compatible with most of the 2.5mm rechargeable device DC to USB ports. The cord length is 2.7ft/ 82cm, DC Head Length 0.68inch/ 17mm, DC Head Diameter: 0.1inch/ 2.5mm. Please measure your cable head before placing order, make sure the plug dimension is the correct size! | SUPERIOR QUALITY: Premium quality USB to DC 2.5mm charging Cable, unlike similar but lower quality USB cables, our USB cable is durable and made to last. The charging speed is 2 times faster than other low quality USB cables. | CONVENIENT TO USE: Can be used at home, in the office or on the move, anywhere you can access a USB socket for charging your devices, like Laptop/ PC, Wall charger, Car charger, Power bank etc. It is very convenient for you. | WARRANTY: If you are unsatisfied with the product for any reason, please feel free to contact us via "Amazon Message Center", we will make sure to provide a resolution with 24 hours.