<p>Built-in dual antennas 80M long-distance transmission, using 2.4GHz wireless transmission technology, stable signal transmission, high-definition audio transmission.</p> <p>Large-capacity battery and long-lasting. Using a 18650 lithium battery with a capacity of 900MAH and replaceable USB data cable for power supply. It can be used for 6-8 hours when fully .</p> <p>48KHZ sampling rate, high-fidelity reproduction of timbre, high-performance decoding chip, dynamic range signal-to-noise ratio 110DB, accurate restoration of sound details.</p> <p>L-shaped connector, L-shaped connector, compact and space-saving, more convenient to use.</p> <p>Smart compatible multi-device connections,Easy and convenient to use, enjoy the fun of wireless transmission.</p> <p>Type:B:One for two</p> <p>Colour:Black</p> <p>Material:Metal</p> <p>Package Contents:</p> <p>2 * Microphone Transmitter Receiver</p> <p>1 * Microphone Receiver</p> <p>3 * Adapter</p> <p>1 * USB Cable</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>