Features 1. CLEAR SOUND QUALITY: High quality sound transmission, clear voice and without feedback, free from distortion. This lavalier wireless microphone is designed for vocal use in live performance, sound reinforcement. 2. EASY SET UP: 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. 3. SELECTABLE FREQUENCIES: The system has 25 selectable UHF frequencies, less prone to electric appliance interference and offers stable signal transmission. Operating range can be up to 100 feet line of sight. Each wireless microphone unit has been set a unique ID code that allows the multiple use of wireless microphone at the same time without worrying about cross connecting issue. 4. FULL COMPATIBILITY: This portable receiver in this wireless headset / lavalier microphone system has 6.35mm (1/4") output, you can connect it to any of your sound system like PA, mixers, speakers, amplifiers and karaoke machines with 6.35mm (1/4") mic input (not line in or aux in). It also supports audio recording from smartphones, tablets and laptops using the appropriate adapters. 5. MULTI-USE APPLICATIONS: Ideal for live performances like church, weddings, presentations, school plays, trainings, public speakings, interviews or audio recordingSupports Multiple Sets Working TogetherThe working frequency is from 600 to 928MHz and complies with the new FCC regulations for wireless microphone. This UHF technology also allows you to use several sets together without interfere with each other, great for interviews or small groups.Spend a few minutes to select the most appropriate frequency before using this system.Microphone Volume ControlThe LCD display in the Bodypack transmitter shows you the frequency, microphone volume as well as the battery level. 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. The content you will get in the box:Portable Mini Receiver x 1Bodypack Transmitter x 1Headset Microphone x 1Lavalier Microphone x 1USB charging cable x 13.5mm to 6.35mm adapter x 1Headphone splitter x 1User manual x 1