Electric guitar headphone amplifier with true analog circuit, faithfully simulates the response of amps. 3.5mm(1/8 inch) PHONE jack allows you to play guitar with headphone at high volume but not bothering neighbors. 3.5mm(1/8 inch) AUX input jack lets you enjoy the music you like in your audio player while playing guitar. Features classic rock distortion effect, with distortion degree(DRIVE) and tone control knobs. Built-in rechargeable battery, supports up to 3-6 hours continuous working time, and with LEDs showing charging status and remaining power. Color: Grey Material: ABS Package Contents: 1 x Electric guitar amplifier 1 x Charging cable 1 x Audio cable 1 x Splitter 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.