KEWEIER Two Channel Folding Universal Rear Entertainment System Infrared IR DVD Player Headphones for phones and in car TV, Video,Music

Description

Advantages: 1, Suitable for car audio system  2, Up to 12 meters operating distance  3, Built-in 30 mm Mylar speaker to deliver audiophile grade sound quality  4, Automatic shut-off after 10 minutes of no signal detected  5, Ultra light design for comfortable wearing  6, Mini jack for audio input like MP3, iPod  7, System infrared light: 850nm  8, Driver unit diameter: 30mm  9, A channel: left channel: 2.3Mhz Right channel: 2.8Mhz  10, B channel: left channel: 3.2Mhz Right channel: 3.8Mhz  11, Power Supply: 2 x AAA Batteries (Not Included)