Sunshine-tipway&reg; Portable Mini Car Bluetooth 4.0 Receiver Transmitter A2dp Wireless Adapter Home Audio Music Streaming Sound System /Bluetooth Car Kits with 3.5 Mm Stereo Output (4.0+ R) mini bluetooth 4.0 receiver is a upgrade product. It is more compatible with your phone with bluetooth 4.0 function and power saving to your phone when connecting.With high quality CSR Chipset this music receiver will come with more stable material and more clearly audio quality support clear and flow conversatlon effect ,Multi-function technique, one Bluetooth receiver can connect with two Bluetooth devices. NFC function is optional ,Support mobile,laptop,iphone,ipad,mid and so on that with bluetooth funcation Support A2DP V1.2 , CLASS 2,Transmits up to 33 feet(10meters) away Simple operation, normal speaker become hands-free Bluetooth speaker magically, portable for vehicle mounted systems.