I'm really happy to have the device. Once a truly hands found my Samsung S2 the device immediately as soon as I turn on Bluetooth and transmits any audio signal on my speakers. The same works with my laptop. However (understandably) not simultaneously. The star deduction is available for the range. If you are in the same space, the signal is strong enough and work without restrictions. Once, however, I leave the room with my phone and actually am still in earshot, there are dropouts. The unit thus can not be used over several rooms, since for the signal is too weak.