Bluetooth: Support Bluetooth 4.0, accompaniment music can be transferred via mobile phone, free from the shackles of wires. Noise Reduction: With smart noise control chip, audio processing is faster and more stable, make the input sound voice more clear, and there is no lag. Features: A variety of live control sound effects, sound modes and adjustments, professional control, easy to use. Compatibility: Highly compatibility, suitable for mobile phone/computer. And support for /for /for Android/for IOS. Support to connect 2 mobile phone or computer at the same time. Portable: About 157x78x15mm/6.18x3.07x0.59inch. It's the same size as a mobile phone, easy to carry. Built-in rechargeable battery, you can continue to live to reach more than 5-8 hours. Widely Used: It can be used for DJ, music studio recording, online, podcast, singing, k song, live stream, online chat, etc. Size(LxWxH): About 157x78x15mm/6.18x3.07x0.59inch Bluetooth: 4.0 Powered by: 1x rechargeable battery(Built-in) Note: The color of the cable accessory is random(black or white). Color: As Shown Material: plastic Package Contents: 1 * Sound Card 1 * charging cable 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.