Portable Electronic Keyboard 88-Key Digital Piano w/Full-Size Semi Weighted Keys
Color:Black Material:ABS, Aluminum Alloy,Oxford Cloth Product Dimensions:127 x 22 x 6 cm (L x W x H) For Adapter Input: 100-240V~,50/60Hz , 0.3A Max For Adapter Output: 5V-2A , 10W DC 3.7V by rechargeable Li-ion battery , 1750mAh Net Weight:6.