Smays USB to DC-in 3.5 x 1.35 mm Barrel Connector Charging Cord (2A Current, Center PIN Positive, 2.6 Feet = 0.8 Meter, Black) Charging cable made with 13 pieces copper wire, flows 1.5 ampere to 2A currnet, designed for tablets PC, big machine, big speaker, external battery, power bank etc Support USB 2.0 port Suitable for any mini R/C helicopter, tablet PC, sound system, etc with 3.5/1.35mm, outer diameter 3.5mm (innner diameter 1.35mm) DC-in jack USB Type A male to DC 3.5mm power plug cable. Cable length: 2.6feet=80cm Work with 7-inch Huawei MediaPad IDEOS S7 Slim Tablet