... ; USB interface: USB 2.0 can be synchronized with the computer copy files; Button: 7 keys (left, right, back, enter, ... DC5V/900mA; Packing accessories: User Manual; USB cable; Power Charger; Machine Dimensions (L x W x H): 149 x 82 x ... 17.2mm; Machine Weight: 169.2g (Without Battery); Box size (L x ... ; MOQ: 1000PCS; Warranty: 1 year. Electronic Dictionary - Study Laptop Computer PDA