Bluetooth Audio Connectivity:The -01 mini guitar amplifier features built-in Bluetooth audio, allowing you to wirelessly connect your smartphone, tablet, or other devices to play backing tracks and music for practice or performance. Portable Speaker Design:Compact and , this portable speaker amplifier is easy to carry to rehearsals, outdoor jams, classrooms, or travel. Ideal for guitarists who need a convenient practice solution anytime, anywhere. 5W Output Power:Equipped with a 5W output, the -01 delivers clear and punchy sound suitable for home practice, small rooms, and personal use, providing enough volume without disturbing the surroundings. AUX Input and Multi-Device Support:With AUX input, you can connect MP3 players, phones, or other audio sources via cable, making it easy to play along with your favorite songs or backing tracks in addition to Bluetooth mode. Battery Powered, Ready to Go:The amplifier supports battery power (batteries not always included, please refer to product details), allowing completely cordless use. Ideal for street performance, outdoor practice, or places without convenient power outlets. Output : 5W Speaker: 1.75 inch full rangex2 Bluetooth version :5.3 Power supply: 3.7V/2200mA Lithium battery Full charging time: 3H Work hour after full recharged: 7H Color: As Shown Material: ABS+Mesh Package Contents: 1*Guitar Audio Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.