[Multi-Effect & Excellent Timbre]The pocket amp contains 10 classic presets (including delay, reverb, chorus, and phaser) and 10 classic IR CAB modules, easy to start playing. While the edit mode enables you to adjust and save your favourite tones. Diverse effects and high-quality performance in timbre are suitable for music styles. [Multiple Usage]The electric guitar amp is equipped with a great precision tuner, applicable for electric guitar and bass guitar. Mini turbo also could record your music and export high-quality files to your computer or phone via the USB port, improving creation efficiency. [Flexible Connections Method]The small guitar amp is widely compatible and connect with diverse devices such as mobile phone and computer via USB port. And it also support wireless connection to play accompaniment, which is convenient to practice. [Rechargeable and Long-Lasting Battery]Built-in rechargeable lithium battery with large capacity enables the guitar headphone amp to work continuously for five hours when fully (USB charge cable included). power indicator lights up when charging and goes out after fully charging, clearly remind you the charging situation. [Advanced Design]The pocket guitar headphone amplifier is so and portable that it is easy to carry-on and could be used in environments including your home, apartment, or on the journey. The high-quality and construction of mini tuner is your faithful guitar partner. Plug and play, immerse in music! No more worry about being or disturbing others. Specifications: Input: Standard 1/4-inch interface mono/ Output: Standard 1/8-inch interface mono/ Sampling Rate: 48K/24bit Battery Capacity: 780mAh Work Time: about 5 to 6 hours Power Supply: DC5V, 300mA power adapter Colour:black Material:ABS Package Contents: 1 * Headphone Amplifier 1 * Charging Cable 1 * English instruction manual 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.