6-Channel Mixer: The mini audio mixer has 6 input channels (6.35mm/1/4Inch) and 1 output channel (6.35mm/1/4Inch). Suitable for integrating audio signals from multiple devices into a single-channel output. Control: Each channel on the mixer has an volume control switch. You can adjust the volume independently for each input device. Mono/Stereo Mode: The mixer has mono mode and stereo mode. Both the input interface and the output interface are 1/4 inch (6.35mm). If you choose stereo mode, you must use a 1/4 inch TRS audio cable plug or adapter for input and output connections. (Note:TRS adapter is not included in the package) Widely applicable: Compatible with a variety of devices. Suitable for musical instruments, microphones, mobile phones, computers, amplifier devices, speakers and other audio devices. USB power supply: The power supply interface adopts USB-C (Type-c), which can be powered by a DC 5V socket or a mobile power supply. The power indicator light keeps you informed of the working status of the device at any time. Colour:Black Material:Aluminum Alloy Package Contents: 1 * Mini Stereo Audio Mixer 1 * USB Cable 1 * Chinese and English instruction manual 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.