Bluetooth Receiver - Rayway Bluetooth 4.1 Wireless Audio Receiver for Home Stereo System, Headphones, Speakers (3.5mm AUX Car Kit, Hands-Free call, A2DP, Buit-in Microphone, 8 Hours Playtime) Multipoint Connection - Multipoint for HFP and A2DP, Connect two Bluetooth devices simultaneously, you don't need to worry about your device will be interrupt while the other one was connected. Wide Compatibility - The bluetooth 4.1 receiver will compatible with most smartphones, iPad, Tablets, Car & Home Stereo Sound System and A/V receivers using RCA or 3.5 mm jacks. Ideal for home or vehicle audio systems. Multi Functions - Music and handfree calling switching. Support voice guide, NFC wake-up and pairing function, noise reduction and echo cancellation, guarantee you can got a high quality stereo audio via Bluetooth connection. Advanced Bluetooth - Bluetooth4.1 A2DP to ensure high quality sound conversion effect and brings you an enjoyable listening experience. Mini and Simple Design - It doesn't need much space in your car; Simple buttons design, easy operation, you can get away from complicated operation of some other Bluetooth receivers.