The LiveMIC2 Bluetooth microphone, new generation of LiveMIC, capture and stream the source of audio/voice wirelessly via Bluetooth headset, handfree, A2DP profiles. Ideal for distance education, webinar, conference, presentation, panel session, PA systems, speech recognition, hearing impairment, PC audio, voice recording* and more. Works with most of Bluetooth speakers, audio receivers, iPhone, iPad, Android, smartphones, Tablet*, Mac, PC**. With unidirectional, omnidirectional and external microphone selection, gain (sensitivity) control and instant mute features allow capturing best sound for various sound sources at different environment, occasion and events. The low latency minimizes audio lag and echo effect in real time environment***. Long range distance operation up to 20m (66 ft) covers most of meeting room, ball room, class room, office, house depending on conditions. Integrated with a rechargeable battery provides up to 8 hours operatio. Using Bluetooth 2.4GHz.