1. Wirelessly stream music instantly from your smartphone tablet or other Bluetooth audio device to your music or home theater system. 2. Powered by aptX enhanced audio technology this exclusive listening experience delivers crystal clear high fidelity music for room filling sound. 3. Pair to your music system using Bluetooth pairing. 4. Experience every music note as it was meant to be heard through the superior digital optical or 3.5mm auxiliary output 5. Quick and easy plug 'n play; freely listen to music through your speakers without wiring or docking your smartphone or tablet; no software or app required. 6. Transmission distance up to 10m ( Note: the actual use of Samsung mobile phone it can up to 20m).