Wireless headphone for TV, DVD, PC, MP4, VCR, etc Wireless headphone features:1. VHF stereo wireless headphone: JH-807STAFeatures:* Stereo wireless headphone* Use PLL technology to ensure ... : 15-17dBmb) Middle end: 85.5MHz: 16-17dBmc) High end: 86.50MHz: 16-18dBm* Division: 29dB* S/N ... frequency according to customer's requirement* Suitable for Asian, the Middle East, South American, African markets