Colorful IR Wireless Headphone

Brand Name: SPACE Model Number: WIR-908 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Waterproof,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) For car using:: Suitable for car audio system color:: black Packaging & Delivery Packaging Detail: White package Folding type Out box size:655X475X525mm In box size:122X89X126mm Gross weight: Folding type:24.6KG(1X100PCS) Net weight : Folding type:18 KG(1X100PCS) Delivery Detail: sample order in stock , Big order : 10 working days Specifications 1.IR wireless headphone for headrest car dvd 2.Suitable for car audio system 3.Mini jack for audio input 4.Ultra light  For car USING System infrared light (850nm)  Function Description :  1.Suitable for car audio system, for car use.  2.Mini jack for audio input like MP3, iPod  3.Ultra light design for comfortable wearing  4.Operating distance: up to 12 meters  5.Auto mute function and automatic shut-off after 10 min of no signal detection  6.wireless earphone  optinal  Technical Parameters :  1.System infrared light (850nm)   2.Carrier frequency:  a) A channel: left channel :2.3Mhz / Right channel: 2.8Mhz  b) B channel: left channel : 3.2Mhz Right channel: 3.8Mh  3.Signal to Noise: >60db  4.Channel Separation: >45db  5.Distortion: <1%  Opertation instrcution :  1.Fitted with two 3A/LRO3/UM4(NO.7)battery in the WIR-2010C and be used with the   transmitter ,please pay attention the battery polarity. 2.Turn on,adjust the volume,you can listen now. 3. Adjust the L/R channel for the best sound.  "off" means turn on/off," A" means A channel,:"B"means B channel   General problem handling :  question         trouble analysissolutionsno voiceThe headphone is turned on,or the battery has power?turn onThe USB cable of transmitter error reconnectnoiseLow-quality audio/Near the sun/Transmitter was blockedreadjustpoor soundqualityLow-quality audioadjust audioThe battery has not enough power charge battery  More pictures :