Features: Powerful Acoustic Guitar Amplifier: 25W powerful acoustic guitar amplifier 1:1 restore the guitar tone, supports independent adjustment of volume, 2-band EQ(bass & treble) and reverb effect to guitar channel. Supports Microphone Input: With 6.35mm microphone input interface, and the microphone channel is designed with independent control knob of volume, tone and reverb effect to achieve voice modification function. Can Work as a Wireless Speaker: Supports wireless BT connection, you can connect the amplifier with your smartphone or tablet to play accompaniment music while doing guitar practice or to enjoy the fun of music listening at leisure time. Built-in Rechargeable Battery: Built-in 11.1V/ 2600mA large capacity battery that can be recharged by the type-C interface quickly. No need of external power supply, just enjoy the music anytime anywhere. Compact and Delicate Design: Wooden shell design, very delicate and beautiful; compact size and with top handle, the guitar amplifier can be easily carried anywhere and is quite suitable for travel use. Specifications: Model: AC-25 Rated Power: 25W Speaker Unit: 6.5 inch 4Ω Power Supply: Built-in 11.1V 2600mAH Lithium Battery Recharge Socket: Type-C 5V/8A BT Version: 5.0, 15m effective distance Item Size: 26.8 * 18.5 * 19.5cm/ 10.6 * 7.3 * 7.7in Item Weight: 3200g/ 7.1lbs Package Size: 30 * 24.5 * 23.5cm / 11.81 * 9.65 * 9.25in Package Weight: 3517g / 7.75lbs Note: Guitar showed in the picture is not included Package List: 1 * Amplifier 1 * USB Charging Cable 1 * Hand Strap 1 * Users' Manual(English & French & German & Italian & Spanish & Japanese)