Features: large knob adjustment, fader adjustment, 27 kinds of sound effects, colorful lighting, dual phone live broadcast. Sound quality: the sound quality is clearer and more stable, ensuring a sense of depth and space between the extension and the voice, making the sound during the live broadcast more mellow and three-dimensional. Bluetooth wireless accompaniment: Bluetooth 5.0, independent Bluetooth switch key, open the Bluetooth key independently, less than or equal to 5m high fidelity reception, 10m effective distance. Noise reduction: one-click noise reduction to improve sound quality, raise your voice to the another level. Optimize the voice: the beautiful second voice calls the fans, multiple sound effects, outstanding function, optimize the voice. Supported devices: computer, phone, tablet compatible, high compatibility, support most main stream systems. With Bluetooth 5.0, there are a variety of sound effects Sound card charging: Micro-USB Supported devices: mobile phones, tablets, computers Support mode: Yingke, live broadcast, fast hand, chat, singing, games, etc. Product Name: Sound Card Model: K1 Colour: black Material: metal Package Contents: 2 * Sound Card 4 * Audio Cable 2 * USB Cable