Compact and portable Bluetooth speaker, 3W output, 500mAh battery, Type-C charging. I received this as a prize in a bingo game, but I have no plans to use it, so I am selling it unopened. Since it is unopened, I have not checked the operation. Please understand that this item has been stored at home. - Model Name: GRV-C501AC-BK - Output: 3W - Battery Capacity: 500mAh - Bluetooth Version: 5.0 - Charging Port: Type-C - Size: 106x80x40mm - Weight: Approx. 210g Thank you for viewing.