Thank you for viewing! [Product Name]: Bluetooth-compatible Mini Guitar Amplifier I took it out of the box for photography and to check its operation, but it is new and unused. Amazon Reference Price: ¥6,269 [Amplifier Features] - Bluetooth connection compatible - Can play backing tracks by connecting a smartphone - Small and easy to carry [Amplifier Size] - Length: 152mm - Width: 75mm - Height: 99mm - Weight: 580g [Amplifier Specifications] - Brand: Kokko - Model Number: KG-10 - Rated Output: 10W - Headphones: 30Ω - Input Impedance: 1MΩ - Auxiliary Input Impedance: 10KΩ - Speaker Impedance: 4Ω - Battery: 3.7V/2000mAH - Power: DC 5V/1A (USB-C) [Included Items] - Main unit - Charging cable (USB-C) - Instruction manual - Box [Operation Check] - Bluetooth connection and sound output confirmed Thank you.