Power Supply: 9V DC IN or 6F22 Battery. The item "Mini Portable Guitar Amplifier Speakers Bass Plug And Play For Electric Guitar" is in sale since Tuesday, July 9, 2019. This item is in the category "Musical Instruments & Gear\Guitars & Basses\Guitar Amplifiers". The seller is "blackprice5" and is located in Hong Kong. This item can be shipped worldwide.