The ultra-handy audio receiver from Musesonic turns any ordinary conventional music system or car stereo into a wireless device in just an instant. It is built-in with a powerful marathon battery and offers long play time. It also supports hands-free calling function and is very easy to install. It is equipped with a powerful CSR Bluetooth chip-set for clear and crisp audio. Experience wireless freedom over a wide range of audio devices with the handy audio receiver. It can be connected to your car stereo system, non-Bluetooth wired headphones and non-Bluetooth home stereo system. Enjoy up to 10-12 hours of long playtime with this audio receiver as it is built-in with a power rechargeable battery. It can also be used while charging and takes up to 2 hours to charge completely. This seamless audio adapter can connect up to two Bluetooth devices that support dual pairing function. Thus, you may use it simultaneously with two smart phones or tablets at a time. This compact audio receiver has a long Bluetooth range of up to 33ft /10 meters. It has a smart sensor for pairing and re-connection. It features auto pair mode due to which it automatically gets connected to any paired device when it is in range.