Have any problem? please email to Simolio Support: [email protected] We are confident to get one good solution for you.IMPORTANT!!!1.Pls check IR sensor frequencies of your car DVD players and make sure they are universal before purchasing. (consult your DVD's manual or manufacturer. Universal IR frequencies: Channel A: L/2.3MHZ,R/2.8MHZ; Channel B: L/3.2MHZ,R/3.8MHZ). If you DVDs are non-universal, it will cause no sound, audio cuts, only hear at one side.2.The Simolio IR wireless headphones are the perfect traveling companion for the family on the go! Compatible with all universal car DVD Players.They can also be used outside the car with the included Aux cable for smart phones, Tablets, MP3 etc, or equipped with an IR transmitter for watching TV at home.3.Pls use 2*AAA premium alkaline batteries. Not suggest to use rechargeable Ni-MH battery. Revolving clasp battery cover, rotate clockwise to lock it, or it won't stay latched.4.Pls pay attention to the IR transmitting angle and distance. Sound will be cracking if too far away, or not in sight of IR transmitter, which is limitation of the IR system type, not the product itself. The best audio signal will be obtained if you sit directly in front of the monitor within 6 feet.If you sit on either side of the monit...
- ASIN: B07CVVVWBN
- Color: 2 Pack-Yellow
- Brand: SIMOLIO
- ASIN: B07CVVVWBNPart No: SM-561D2(TY)