Built-in 4 Effects: This portable guitar amp is suitable for electric guitar and features 4 effects—clean, distortion, overdrive, and reverb—to meet your daily practice needs. Compact and Portable: This mini guitar amp is an ideal companion for travel or practice. Its small size makes it easy to carry in a backpack or luggage. Despite its compact design, it delivers sufficient volume for practice with a 5W speaker. Plug and Play: The amp is equipped with a 6.35mm jack, eliminating the hassle of managing cords and providing greater mobility. The design allows it to be easily attached to your guitar. Simply plug in and start playing anytime, anywhere. Bluetooth Function: This mini electric amp includes Bluetooth audio functionality, enabling connection to your phone or other Bluetooth devices. You can play along with your favorite music. Note: This device does not support pairing with Bluetooth headphones or Bluetooth speakers. Rechargeable Amplifier: The amplifier provides approximately 6 hours of use on a full charge. The built-in rechargeable battery eliminates the need for replacements and simplifies outdoor use. We recommend using a 5V 2A charger. Avoid using chargers with voltage above 5V, as they may damage the product or cause safety issues. Note: Due to different production batches, the appearance may vary slightly. This does not affect performance. Color: Black Material: ABS Package Contents: 1 x Mini Electric Guitar Amp 1 x USB Charging Cable 1 x English Instruction Manual The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3 cm.