Microfl ex Complete Wireless offers full conference functionality with the added convenience of encrypted digital wireless transmission for up to 125 participants. It overcomes cable limitations at off-site meetings, in rooms with fl exible seating, or in historic buildings where drilling holes in furniture is impractical. Proven Shure RF interference detection and avoidance technology delivers reliable transmission and limits signal dropouts even in the most congested RF environments. Robust wireless encryption keeps meeting content private. Each wireless conference unit is powered by a smart LithiumIon rechargeable battery whose remaining charge (in hours and minutes) can be checked remotely by a technician.