The wireless headset microphone has stable signal, automatic frequency matching when turned on, strong anti-interference, plug and play EQ adjustment to meet various sound needs Type-C charging port, using Type-C charging port, charging faster and more convenient to use Silicone cover,The tube is protected by a silicone sheath Comfortable in hand and can be bent at will Anti-slip, waterproof, stain-resistant High sensitivity microphone can effectively reduce The interference frequency response range of the surrounding environment is and the sound quality is Better, truly restore the vocal effect Electroplated The buttons adopt electroplating technology to resist corrosion and Wear-resistant, beautiful and practical Both transmitting and receiving can be frequency modulated, no need for cumbersome coding, convenient Efficient, multiple units can work at the same time Frequency response range: 100HZ-20KHZ Rated voltage: 3.7 Colour:Black Material:ABS Package Contents: 1 x head-mounted bracket 1 x transmitter 1 x receiver 1 x Adapter 1 x Charging cable 1 x spare cotton 1 x Chinese and English instruction manual 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.