Features:
1. This incredible new product is adopted with 3D sound coding technology, which maintains the Hi-Fi effects of MP3, MD, CD and TV.
2. It has been developed from frequency phase lock loop ethnology, which ensures stable frequency radiation while functioning at a distance of up to 30 meters with no dead areas. It operates through your automobile audio sounding equipment so that you can still enjoy Hi-Fi music.
3. With remote controller.

Product Specifications:
1. Operating Distance: Up to 30 meters.
2. Channel Isolation Ratio: ??2db
3. Frequency Range: 20-1500Hz
4. Working Current: 45mA+0mA; 45mA-0mA
5. Operating Frequency: Labeled on the unit
6. Output Current: 100 mA max (According to different model)