knobs adjust high, medium and low frequencies, and enhance the low-frequency shock or highlight the clarity of the human voice with one click. Compatible with a wide range of interfaces, supporting multiple interfaces: coaxial, optical fiber, TYPE-C, , 3.5mm audio input. Bluetooth connection, more convenient to switch between different devices, the connection is not limited by wires, and wireless supports high-resolution audio transmission. Directly connected to the sound card, music producers can accurately monitor the mixing details, switch between wired/wireless mode with one click, and capture inspiration at any time. Support for and other game consoles to connect to speakers or headphones through headphone amplifiers. Product name: Digital analog headphone amplifier Power supply: DC 5V Input: Type-c (computer, mobile phone)/3.5 stereo/optical fiber/coaxial/Bluetooth left and right channels Output: Type-c (computer, mobile phone)/3.5mm stereo/headphone Voltage: AC100-240V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Color: Black Material: Metal Package Contents: 1 x Stereo Line Mixer 1 x USB to TYPE-C cable 1 x TYPE-C to TYPE-C cable 1 x USB to 3.5mm cable 1 plug 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.