Pocket Guitar Headphone Amp is designed for electric guitar and bass players who want convenient, quiet, and portable practice anywhere. Featuring 9 built-in amp models and multiple sound effects, this compact headphone amplifier delivers a wide range of tones from clean and crunch to overdrive and metal styles, making it suitable for daily practice, rehearsal, and music creation. Built with modulation and ambient effects including Chorus, Phaser, Vibrato, Reverb, Delay, and Reverb + Delay, the guitar headphone amp allows you to customize your sound easily without complicated setup. The integrated low-noise design helps provide clearer and more immersive audio during practice sessions. The built-in Bluetooth audio input lets you stream backing tracks or music wirelessly from your smartphone or tablet, helping create a more enjoyable practice experience. The 3.5mm headphone output supports quiet indoor practice, making it ideal for late-night sessions without disturbing others. *(Bluetooth audio input only; not compatible with Bluetooth headphones.)* With USB-C OTG recording support, this portable guitar amp can connect to iOS, Android, PC, and laptop devices for recording and audio playback. Easily capture demos, practice sessions, music ideas, or content creation projects with simple plug-and-play operation. Compact, lightweight, and easy to carry, the pocket-size design features a 180° rotatable plug compatible with most electric guitars and basses. The rechargeable battery provides up to 5 hours of continuous use, making it a practical solution for home practice, travel, rehearsal, and mobile music sessions.