<p>Portable collar clip wireless microphone Mini Wireless collar clip microphone, mobile phone plug and play, without cumbersome operation and setting</p> <p>360 omnidirectional pickup sensitive microphone, 360 omnidirectional radio, rapid response and delicate radio</p> <p>Automatic pairing, plug and play mobile phone starts up, and the receiver can be inserted to realize automatic connection without cumbersome operation</p> <p>Adaptive noise reduction recording clear original sound, built-in noise reduction chip, strong anti-interference ability, effective identification of original sound, and clear recording in noisy environment</p> <p>Wireless Lavalier microphone gets rid of wired restrictions and moves freely</p> <p>Built-in battery capacity: 300 mA-500 mA</p> <p>Battery life: 8-12 hours</p> <p>Signal to noise ratio: greater or equal to 60dB</p> <p>Frequency response range: 100HZ-20KHZ</p> <p>Input voltage: 5V</p> <p>Channel: 2</p> <p>Colour: black</p> <p>Material: ABS</p> <p>Size: 10x10x2CM</p> <p>Package Contents:</p> <p>1 * Lavalier microphone</p> <p>1 * charging cable</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light 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.</p>