BTOSEP Guitar Headphone Amplifier - Portable Mini Bass Amp 500mAh

Specification: Item Type: Guitar Headphone Amplifier Material: ABS Color: As shown in the picture Battery: Polymer lithium battery 500mAh(Built-in) Current: Maximum 20mah Regulator: 3 modules in total: driver, tones, and volume Charging Time: About 1~2 hours Weight: Approx. 101g / 3.6oz How to Use: Please charge it before use, connect the MP3 audio device and amplifier with the earphone cable, and then plug the amplifier into the loudspeaker to use. Package List: 1 x Headphone Amplifier 1 x Audio Cable 1 x USB Power Cable 1 x Headphone Adapter