This is the palm-sized compact guitar mini amp "TRUE DYNA TDAP-1". It's perfect for practicing at home, and since it can be battery-powered, it's also ideal for taking on the go or for quick sessions. Despite its small size, it features a "DRIVE (overdrive)" switch, allowing you to enjoy distorted rock sounds. It supports both USB power (Type-C) and 9V batteries, so you can keep your desk area tidy. 【Main Features】 • Versatile Controls: Equipped with GAIN, TONE, and VOLUME knobs, as well as an overdrive switch. • Abundant Input Terminals: Not only a guitar input, but also an MP3 IN (3.5mm stereo mini) is included. You can practice while playing audio from your smartphone, etc. • Night Practice OK: Headphone jack (PHONES) included. • 2-WAY Power: Powered by USB 5V (Type-C) or a 9V battery (1). 【Condition】 • This item was acquired and, as I have never touched a guitar, the operation has not been confirmed. • There are no noticeable scratches or stains, and it is in very clean condition. • Accessories: Main unit, 9V battery, outer box, instruction manual only 【Product Specifications】 • Output: Max. 3W • Speaker: 3-inch 4Ω • Size: W142 x D72 x H97 mm • Weight: Very lightweight and convenient to carry