Revolabs 10-FLXMIC-OM FLX omnidirectional tabletop Microphone for use with FLX wireless conference systems, 128-bit encryption for advanced security, up to 8 hours Talk Time Revolabs' tabletop omnidirectional wireless microphone is the perfect solution for audio and video conferencing in smaller conference rooms, Featuring 360º pickup patterns to capture all Speech above and around the microphone. Key features for use with FLX wireless conference systems 128-bit encryption for advanced security Specifications frequency pickup: 100 – 11, 000 Hz Battery: Lithium polymer battery life (talk time): up to 8 hours Talk Time charge time: 2 hours Dimensions: 94.2 x 24.6 x 18.5 mm