Features:  1. Accompaniment adjustment; set of red 3-meter-long monitor headphones;  2. Monitor and adjust; wholesale agent, please contact customer service;  3. One-click dodges;  4. Bluetooth accompaniment of a pair of mobile phones;  5. Universal for Apple and Android phones and computers;  6. Support dual mobile phone live broadcast;  7. Live broadcast while charging;  8. Computer USB connection (can be directly connected to computer USB);  9. One key to eliminate the original singing;  10. Put the USB switch inside to adjust.     Note:  1. Press key for three seconds to turn on or off. The electronic sound and umlaut keys are pressed for three seconds to reset or automatically reset after pressing the number.  2. When the lights of the six efect keys are flashing, it means that the sound card is running out of power.The lack of power will affect the sound quality.  3. The sound card live line is connected to the conversion line, and the conversion line is then connected to the red microphone jack of the computer host, and the accompaniment line is connected to the green headphone jack of the host compute.    Package Included:  1 x Sound Card.