Headset portable microphone has clear voice, plug and play, easy to use, long distance receiving. Strong compatibility which can fit various devices. Suitable for different occasions, such as home, wedding singing, square using, meeting speech. Features:Fine quality sound transmiion, clear voice and without feedback, free from distortion. This clip-on wirele microphone is designed for vocal use in live performance, sound reinforcement.Plug and play, easy to use. Both the transmitter and receiver are powered by rechargeable batteries.Plug the headset microphone or the lapel microphone into the microphone socket of the bodytransmitter, turn on the mini receiver and the bodypack transmitter, you are ready to go.The lapel mic or the headset mic allows for hands free, you can hold the presentation materials with your hands. Mic volume can be changed from the transmitter at ease.Selectable UHF frequencies, le prone to electric appliance interference and offers stable signal transmiion. Operating range is long. Each wirele microphone unit has been set one ID code that allows the multiple use of wirele microphone at the same time without worrying about cro connecting iue.Full compatibility, you can connect it to any of your sound system like PA, mixers, speakers, amplifiers and karaoke machines. It also supports audio recording from smartphones, tablets and laptops using the appropriate adapters.Ideal for live performances like church, weddings, presentations, school plays, trainings, public speakings, interviews or audio recording supports multiple sets working together the working frequency is from 902 to 928MHz and complies with the new FCC regulations for wirele microphone.Change the microphone volume and frequency from the Bodypack transmitter is easy. Both the Bodypack transmitter and the portable mini receiver are powered by rechargeable batteries. Specifications:Frequency: 500MHz-930MHzDebug Mode: DqpfskFrequency Response: 30Hz-18KHz3DBNoise-signal Ratio: 96dBDistance: 30-80 MPreset Frequency Point: 25Bodypack Battery(built-in): 1 * 3.7V 650mAh lithium batteryReceiver Battery(built-in): 1 * 3.7V 450mAh lithium batteryBodypack Size: 65 * 52mm / 2.56 * 2.05inReceiver Size: 65 * 31mm / 2.56 * 1.22inPackage Size: 180 * 150 * 50mm / 7.09 * 5.91 * 1.97inPackage Weight: 308g / 10.86ounce Package List:1 * Headwear Type Microphone1 * Receiver1 * Bodypack Transmitter1 * Tie Clip Type Microphone1 * Charging Cable1 * Manual1 * 3.5mm to 6.5mm Adapter1 * Earphone Distributor