Sennheiser Consumer Audio Sennheiser II On-Ear Wireless RF Headphones with Charging Cradle

* Includes (1) Wireless Headphones, (1) Wireless Transmitter that acts as the headphone charging cradle and (2) AAA NiMH rechargeable batteries * Lightweight radio frequency (RF) wireless, on-ear headphones for use with TV and Hi-Fi Audio * Interference-free reception through walls, ceilings and outdoors up to 300 feet * Not compatible with Bluetooth technology * Transmitter connects directly to any device with analog audio output (RCA jack or headphone out)