METAL Guitar Headphone Amplifier Amp 1/4 Inch Plug 3.5mm Headphone Jack & Aux In with Gain Tone Contorls Built-in Rechargeable Battery

Portable Guitar Headphone Amplifier with true analog circuit, faithfully simulates response of amps.;Supports GAIN, TONE and VOLUME adjusting, you can guitar sounds freely.;With 3.5mm headphone jack, playing guitar with headphone at high volume but not bothering neighbors.;3.5mm(1/8 inch) AUX input jack lets you play guitar with you like in your audio player.;Built-in rechargeable battery, supports up to 5-6 hours continuous working time, and with LEDs showing charging status and remaining .