For people who require more information: Product Specifications Hardware * Communication : Wireless Analog 900mHz Radio Frequency * Headphone Type : Closed, Dynamic Weights and Measurements * Cord Length (Approx.) : 39 3/8 in. (1.0 m) Stereo connecting cable * Dimensions (Approx.) : Transmitter: 8 5/8 x 4 1/4 x 3 7/8 in. (216 x 105 x 96 mm) * Weight (Approx.) : Headphones: Approximately 10.59 oz. (300 grams) Including supplied battery Transmitter: Approximately 7.7 oz. (220 grams) Audio * Audio Modes : Mute: Operates when RF signal is weak or not received * Channel Selection : Select by a slide switch * Driver Unit : 40mm * Effective Range : Approximately 150 feet (46 m) * Frequency Response : 10-22,000Hz * Sound Enhancer : Broadcast noise reduction processing during playback * Transmitter : Ch1: 915.5MHz, Ch2: 916.0MHz, Ch3: 916.5MHz [selective, FM Stereo * Tuning : Manual tuning via switch on both base and headphones * Volume Control : Yes (Rotary) Inputs and Outputs * Audio In : Analog Phono Input (left/right), Analog Stereo Input mini jack (x1) General * Design : Over-the-head, Home-music/movie/games * Diaphragm : PET * Headband : Wide, Self-Adjusting * Magnet : Ferrite * Power On/Off : Power turns ON when headphones are worn; Red LED illuminates * Type of Use : Home Power * Battery Charging (Approx) : 16H (to fully charge an empty battery); Charged by placing MDR on TMR * Battery Life (Approx) : 14H (with fully charged supplied NiMH battery pack); 22H (with AAA type alkaline battery) * Battery Type : Rechargeable Ni-MH battery pack (supplied); AAA x2 (not supplied) * Internal Power Supply : Transmitter: Supplied AC adapter (12V,200mA) * Output Power : 5mW + 5mW * Power Requirements : Rechargeable nickel-metal hydride battery (supplied) or commercially available (size AAA) alkaline batteries
Already got a nice pair of headphones sorted, but these seem like a nice deal for anyone looking for a new pair.