HIGIBIS is the top manufacture in this area with very good quality. At this lever of quality， it's already very cheep. Please buy at confidence.Feature:1.Bluetooth 4.0 audio receiver top quality2.Car hand-free push-to-talk 3.AUX audio receiver，no noise4.For iPhone Android，simultaneously connected 2 phones5.Noise reduction6.Long distance 10m7. Mini design， could be adhesive on the car optional