Features: <br>Wireless micphone of 3 position mic switch.<br>Dual Function of using it as wired micphone.<br>Take out the battery and connect the wire to micphone and set the switch to MIC position.<br>Inserting a battery (AA) in telescopic antenna and another into receiver.<br>Effective distance of 49 to 98 ft in open area.<br>Microphone sensitivity of -72dB.<br>Microphone directivity of unidirectional.<br>1/4&quot; Microphone cable and 1/4&quot; plug receiver.<br>For computers stereo, household karaoke, meeting and party use.<br><br>Specification:<br>Material: Plastic<br>Power Supply: 2*AA Battery for micphone &amp; receiver (not included)<br>Item size: 18* 4 * 4cm / 7 * 1.5 * 1.5in<br>Item weight: 83g / 3oz<br>Package size: 23 * 13 * 7.5cm / 9 * 5.1 * 2.9in<br>Package weight: 391g / 13.8oz<br><br>Package List:<br>1 * Microphone<br>1 * Receiver<br>1 * Wire for Wired Microphone<br>1 * User Mannual (English)<br><br>Note:<br>The batteries are not included.