This is a 2 in 1 V4.0 Bluetooth USB Dongle + Bluetooth Audio Receiver Set we highly recommend today. With strong stability and reliability， it fits for computers and other Bluetooth devices. In addition， with strong and stable signal， you can use it to establish a wireless LAN for a computer. It is access to share internet between the computer and other devices. Indirectly connect this Bluetoothaudio receiverto audio device with 3.5mm audio cable， such as iPad， iPhone 4， iPhone 3G/3GS， you will hear the beautiful music as you wish.                                    Features             Bluetooth USB Dongle V4.0 can get all A2DP stereo Bluetooth devices seamlessly connected<br> The easiest way to broadcast your music<br> A high-performance audio receiver which enables your audio devices to transfer stereo audio wirelessly<br> Download free ringtones， games， screensavers and wallpaper conveniently<br> Connect wirelessly with a lots of other Bluetooth devices   <br>                                                            Specifications             Bluetooth Standard     V4.0     <br> Color     Black    <br> Material     Plastic    <br> Output     USB Port 3.5mm Audio Interface    <br> Operating Distance     Not Less than 10m    <br> Power Supply     5V    <br> Dimensions     (2.16 x 0.82 x 0.43)" / (5.5 x 2.1 x 1.1)cm (L x W x H)    <br> Weight     0.28oz / 8g    <br> Compatible with     All A2DP Stereo Bluetooth Devices(iPad， iPhone4， iPhone3G/3GS)， and Other Apple Products， and Android    <br> Transfer Rate     up to 10Mbps     <br>                                                             Package Includes            1 x Bluetooth USB Dongle+Bluetooth Audio Receiver(2 in 1)<br>1 x Audio Cable<br>