Dual Wireless Microphone 3in1 Wireless Mic With Jack

. Long-Range Wireless Tranmission .360-Degree HD Sound Pickup .Dual Wireless Microphones & 7 Hours Working .Easy Autonatic Connection .Three Modes:Receiver button to switch modes, green light on behalf of the amplifier mode, it is recommended to use in the speaker; ice blue light on behalf of the camera mode, it is recommended to use in the camera, sound card; blue light on behalf of the cell phone mode, it is recommended to use in the cell phone, tablet, laptop.