1. Connect the computer as a sound card, suitable for computer live / network teaching / voice chat 2. Built in reverberation stereo output key to turn on reverberation and adjust sound output to be your own master 3. Every performance needs professional tuning, fine layout and panel details at a glance 4. Bluetooth wireless connection has built-in upgraded Bluetooth plate, which fully supports mobile phone / computer / tablet and other electronic products 5. Compatible with a of devices, compatible with most of the electroacoustic equipment on the market Name:4 channel mixer RECORD: to PC, USB Disk Bluetooth: Yes USB MP3: Yes Power Supply: 5V Model: -04d Total channel output: 2 Mono / stereo input channel: 2 / 2 Microphone output: 2 Mono tone adjustment: 2 segments of high and low Control mode: knob USB sound card interface: 1 in and 1 out Effector module: 16dsp Led level indicator: Yes Sound recording: Yes Net weight (kg): 0.4 Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. colour:White Material:ABS size:18.5 x 15.5 x 4.3cm Package Contents: 1 x Host 1 x US plug Only the above package content, other products are not included. Note: Light 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.