Casti Wireless Pioneer SE-DRF41M

This 2.4 GHz, wireless,headphone set transmits pure, digital-quality audio from any computer, TV or sound system*. The cushioned headband ensures a snug fit, while thefully-enclosed, powerful, 40mm driver-units deliverdigitally-accurate sound. Designed for convenience as well as performance, these headphones come with an Auto On/OffTransmitter switch to save youhaving to go back to the source. SE-DRF41M headphones include acharger/headset cradle and two rechargeable batteries.Specifications Type Fully Enclosed Dynamic Wireless Headphones Frequency Response 15 - 22,000Hz Secondary Carrier Wave Frequency 2.4 Ghz Driver Unit Diameter 40 mm Accessories AC power adaptor (DC 5 V / 550 mA) 2 x Rechargeable, nickel-metal, hydride batteries (size AAA) Stereo audio cable (1m) Operating instructions Warranty card Power Source DC 2.4V (2 x supplied rechageable batteries) DC 5 V / 550 mA (from the supplied AC power adaptor) Power Consumption in Standby Mode 0.3 W Weight (without cord) 178 g Transmitter Audio Inputs 1 x Analog input (RCA terminal L/R) Transmission Range Approx. 30 m (open area without obstructions; the actual effective distance may vary depending on environmental conditions.)