Plug and Play: No need to connect to the power supply, just connect the device and you can use it. The metal body makes the product textured, and the sound quality is full, just for the picky you. XLR stereo input: The XLR input connection can be locked to prevent accidental cable disconnection, and the cable can be released by pressing the label Small and portable: The body is small and easy to operate. After use, you can put it in your pocket or use the lanyard to easily hang it on your chest. Simple panel design, easy to operate and use, lossless output Separate volume control, you can adjust the ideal monitoring volume according to your preferences. Can be put in your pocket, hung on the belt or waistline of the pants for hands-free use. XLR stereo input. Press the PUSH label to release the cable at . Headphone output interface, professional monitoring headphones, bring you a clear music experience. Colour:Black Material:Aluminum Alloy Package Contents: 1 x MP1 Headphone Amplifier 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.