Alead LiveMICRX2 Bluetooth Microphone and Receiver Set is a new generation of Bluetooth voice transmitter and receiver solution with long range, low latency, lip sync, multiple microphone selection and clarity sound for real time education, webinar, conference, panel session, PA systems, hearing impairment, VoIP, PC audio, voice recording, It allows capturing and delivering the source of voice in real time wirelessly. Users can listen or record the voice of subject with clarity sound upto 20M/66 feet covers the most of meeting room, ball room, class room, office, house and outdoors. With unidirectional, omnidirectional and external microphone selection allow great choice at different environment and events. Instant mute to stop unwanted voice and gain (sensitivity) control are given quality capabilities and flexibility on sound capturing The low latency, 0.02s (10x less than other Bluetooth solutions) to minimize lip-sync, audio lag and echo issue. Universal TRRS 3.5mm, 4-pole rings, audio jack on receiver offers the highly compatibility with iPads, iPhones, Samsung Galaxy Notes, tablet, Android smartphones, Camcorder and most of speakers, PA systems and recording devices. Using latest Bluetooth 2.4GHz technology, BQB qualified and listed, A2DP, HST and HF profiles supporting The lightweight with clip is for wearing and using convenient. Integrated with a rechargeable battery provides up to 6 hours operation. Package include : Bluetooth LiveMIC2 microphone, Bluetooth receiver, 3.5mm TRRS audio cable, USB power cable and QSGLatest Bluetooth 2.4GHz technology, BQB qualified and listed, A2DP, HST and HF profiles supporting. Integrated with a rechargeable battery to provide up to 6 hours of talk time operation. The lightweight with clip for wearing and using convenient. Universal TRRS 3.5mm, 4-pole rings, audio jack on receiver offer the extra compatibility with iPads, iPhones, Samsung Galaxy Notes, tablet, Android smartphones, camcorder and the most of speakers, PA systems and recording devices. Long range distance operation up to 20m(66 ft) is good for class room, ball room, meeting room, office, home, outdoor and remote listen systems. The low latency, 0.02s (10x less than other Bluetooth solutions) to minimize lip-sync, audio lag and echo issue. Good for real time presentation, speech, education, teaching, voice recording and hearing impairment. With unidirectional, omnidirectional and external microphone pattern selection allow to capture best sound at various sound sources at different environment. Instant mute to stop unwanted voice and gain (sensitivity) control are given capabilities and flexibility of sound capturing quality. Bluetooth voice transmitter and receiver solution with both microphone and receiver units capturing the source of voice and delivering spoken word wirelessly with clear sound quality.