Built-in 4 Effects: This portable guitar amplifier is suitable for electric guitars and features 4 built-in effectsclean, distortion, overdrive, and reverbto meet your daily practice needs. Compact and Portable: This mini guitar amplifier is ideal for travel and practice. Its compact size makes it easy to carry in a backpack or luggage. Despite its small design, it delivers sufficient volume for practice with a 5W speaker. Plug and Play: Equipped with a 6.35mm input jack, the amplifier offers easy connectivity without complicated wiring, providing greater mobility. The design allows it to be attached directly to your guitar for instant usejust plug in and play. Bluetooth Function: This mini amplifier includes Bluetooth audio functionality, allowing you to connect wirelessly to your smartphone or other Bluetooth-enabled devices. Play along with your favorite music tracks. Note: This device does not support connection to Bluetooth headphones or Bluetooth speakers. Rechargeable Amplifier: The amplifier can operate for approximately 6 hours on a full charge. The built-in rechargeable battery eliminates the need for replacements and provides convenience for outdoor use. We recommend using a 5V 2A charger. Avoid using chargers with voltage exceeding 5V, as they may damage the product or cause safety issues. Note: Due to variations in production batches, the product appearance may vary slightly. This does not affect performance or functionality. Color: Black Material: ABS Package Contents: 1 x Mini Electric Guitar Amplifier 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 conditions and monitor settings may cause slight color differences between the product image and the actual item. Measurement tolerance: +/- 13 cm.