Ventisonic&reg; 5V 2A USB Cable Lead Charger Power Supply 2.5mmx0.7mm 2.5x0.7 for Android Tablet 100% Brand New Ventisonic 5V 2A USB Cable Lead Charger Power Supply. High quality USB Type A Male to 2.5 x 0.7mm Male Plug DC Outside diameter: 2.5mm; DC Inside diameter: 0.7mm ompatible with: Tablets/eReaders that have a 2.5mm DC-in Jack for power transferring. Tablet does not permit data transfer through usb charging cable