MPOW Streambot Slider Bluetooth Audio Music Streaming Receiver Adapter - Retail Packaging - Black Perfectly compatible with any Bluetooth enabled devices, such as mobile phone, laptops, and iPod to let ordinary speakers instantly become wireless Bluetooth stereo audio music speakers. Better stable signal: Compared with others, Mpow uses better chip to enable better stable signal range, just enjoy music freely anytime and anywhere without the bound of wire. Better sound quality, enjoy the CD quality music while playing your cellphone wirelessly through your home/car stereo. User-friendly design, with USB slider case, never be afraid to lose your USB separate case.