SONY MDR-RF920RK -- Free your listening experience from the ties that bind, with this superb 900MHz RF Wireless Headphone System. For working out, cooking, cleaning, or entertaining oneself while housemates slumber, these headphones are unbeatable! Includes rechargeable NiMH batteries -- Up to 28 hours battery life Charging automatically when headphones are on the base Three available transmission channels Automatic Power On / Off Volume control on headphones Easy connection to home audio system, TV or VCR Frequency response - 20Hz - 20kHz Sensitivity - 105 dB/mW Package includes NiMH battery, AC adapter, 9V connecting cord, UniMatch plug adapter Transmitter dimensions - 4.9H x 5.25W x 5.35D |
