The SpeechLine Digital Wireless Microphone Set from Sennheiser includes an SL Table Stand 133-S DW, a MEG 14-40 B gooseneck microphone, an SL Rack Receiver DW with power supply, a BA 40 rechargeable battery, and a rackmount kit. Optimized for speech transmission, this flexible wireless set offers speech intelligibility and ease of use for meeting participants, in conference rooms, offices, and huddle rooms.