- Sony 900MHZ analog RF wireless headphones- Enjoy your music without wires!- Features noise reduction technology that really lets you listen to your tunes without any unwanted sounds- Travel in freedom up to 150 feet from your sound source while delivering higher fidelity stereo sound- Includes Ni-MH rechargeable batteries- 40mm driver for deep bass- Auto tuning feature convenientlyscans up and down the band to automatically tune in channels- 900MHz RF wireless transmission, FM stereo sound - Induction charging: not directpin contact for ease - Noise reduction technology to reduce interference - Neodymium magnets for higher fidelity sound - Frequency response : FM stereo - Transmitter: Ch1: 915.5MHz, Ch2: 916.0MHz, Ch3: 916.5MHz (selective)- Channel selection: select by a slide switch - Frequency response: 38kHz (sub carrier frequency); 19kHz (pilot tone) - Effective range: 150ft- Auto tuning on headphones - Frequency response: 10-22,000Hz - Rotary volume control- Mute operates when RF signal is weak or not received - Power turns ON when headphones are worn, red LED lights up - Input: 1 stereo mini jack, 2 pin jack-Rechargeable Ni-MH battery pack (supplied), or 2 AAA batteries (not supplied) - 14 Hour battery life (with fully charged supplied NiMH battery pack)- 22 Hour (with AAA type alkaline battery) - 16 Hour battery charge- Headphone: mold bandwith self adjusting mechanism for suspenders -BlackSYMDRRF970RK Additional Details SKU : SY-MDR-RF970RK UPC : 027242708242
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