Бас USB мини портативные аксессуары гитарная вилка перезаряжаемая электрическая прочная Регулируемая громкость телефон ABS усилитель для наушников

Descriptions:
6.35mm plug, just plug in the guitar jack, no need to install.
The "phone" jack can be connected to headphones, portable speakers, mixers or recorders.
The AUX jack allows you to connect external audio devices such as cell phones or MP3 players.
3 regulators: gains, tone, volume. There are three types for choosing, like Ga-3, Ga-4, Ga-5.
Made of ABS material, durable, lightweight, easy to use and carry.
Specifications:
Material: ABS
Color: black
Types: Ga 3, Ga 4, Ga 5
Size: about 7.5x7.5x1.2cm
Working current: 37mA
Battery: built-in battery
Package Included:
1pc x headphone amplifier
1pc x USB cable
Note:
1. Due to the light difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.