Go wireless! Using wireless technology, simply connect the Wireless Receiver to your intercom and enjoy the conversation! Simple pairing between the Wireless Receiver and Headset makes this one of the easiest configurations to set up. Rugged Wireless technology brings clean and powerful communications without the clutter of cables.Simple connectivity merged with Rugged's Heavy Duty Behind-the-Head Headset brings reliable performance in the harshest conditions. Wireless Headset Features: Bluetooth 2.1 @ +20 dBm 20+ hours continuous operation with 3 hours quick charge Up to 300ft range with line-of-sight Push-to-talk (PTT) on eardome for optional two-way radio use Volume control on eardome Full-flex mic-boom M70 Electret Mic Power/Pair Button Headset Antenna LED Indicator Charging Port Behind-The-Head (BTH) Design Rubber-coated eardomes Wireless Receiver Features: Receiver antenna Power lead 5-pin cable lead for simple connection to intercom 5-pin pass-through port for daisy-chaining additional wireless or wired positions Includes: Rugged Wireless Intercom Adapter Rugged Wireless Headset 110V charging cable NOTE: not compatible with RRP2EX, RRP242, or RRP800 intercoms