Sony MDR-IF130K

Cordless design lets you move around the room and still enjoy music or TV sound tracks; lets you turn the volume up late at night -- without disturbing anyone else
Easy connection to TV, VCR and audio systems, through the supplied connecting cord and plug adapter
Light weight so you can wear them comfortably for hours on end
Open-air design lets you continue to hear ambient sound
High-power infrared transmitter incorporates multiple Light-Emitting Diodes (LEDs) for extended coverage range
24 foot transmission range for listening enjoyment throughout the room; lets you sit back from the TV set and still enjoy TV sound
30 mm diameter drive units are larger than many portable headphones for deeper bass, lower distortion and wider dynamic range; frequency response extends down to a low 18 Hz
Rechargeable battery (supplied) saves repeated trips to the store; automatically recharges when you place the headphones on the supplied transmitter
Up to 100 hours of battery life with optional AA alkaline battery; up to 30 hours life with supplied rechargeable NiCad battery
Complete kit including high-powered transmitter/recharger, headphones, rechargeable battery, connecting cable, UniMatch® plug adapter and AC power adapter
90° transmission angle (maximum) for uninterrupted listening as you move around the room
PET diaphragms ensure high rigidity for minimum distortion; low mass for extended high-frequency response out to 22,000 Hz
Ferrite magnets combine high energy and small size, for ample sound output
Wide headband with a separate self-adjusting band conforms precisely to the curve of your head; stays comfortable, even after listening for hours on end
Mute function to avoid noise through the headphones; cuts out the sound when no audio signal is available
Automatic headphones power switch conserves battery life; the headphones turn on when you place them on your head
Single volume control in one earpiece conveniently adjusts the volume for both channels
Supplied connecting cord with Sony UniMatch® plug that goes to the headphone output of your high fidelity system, TV set or VCR; UniMatch system accommodates either the phone jack on high fidelity components or the minijack found on video components