Features:- Easy and simple to upgrade your car stereo hands-free wirele audio!- Play your smartphone, ad, od, and other devices with products to music on, you can e your way through the wirele from your carstereo to play basynchronized to music on your smart device!- You can in the car within the of smart devices cozy browse your music on the list to select their own favorite music play / pause; previous song; song, music selection, hands-free calls, etc.- Up to 90dB SNR and low audio distortion of 0.05%, fully satisfy your demand for high quality audio!- Support hands-free function, you can listen to music while the bobble any phone!- Supports all with AUX input of the car stereo!- Supports up to five phone connection, and connect to the last one priority paired phone- The Receiver support Answering/Ending/Rejecting a call,Redialing the last called number,Play/Pausemusic,/Previous song,Volume up/down.- The Mini Car Kit easily connects your smartphone to your car stereo(no need for profeional installation)- Built-in Microphone,hands-free answer calls and listen to music when your drivingDescrtion:Version: V3.0+EDRFrequency Range: 2.4GHzOutput Power Category: Cla2Mode: HFP/HSP/A2DP/AVRCPRange: up to 30 feetElectric Voltage: DC 3.7V - 5.0VWorking Current: DC 5V/8-15mAPower Source: Power input(without built-in battery)Host wire length: 86C.5mm audio extension cable length: 100CMHow to Use:Plug the receiver to the car chargerTurn on the funcation of your phoneSearch for the devices and select "LinK-4823"Enter the code "0000" if neededIf pairing is succeful,the blue light will be bright constantlyConnect two devices at the same time:Pair the receiver to the first phoneTurn on the function of the second phoneSearch for the devices and select "LinK-4823" and cli"connect"Remark: Auto connect funcation,the receiver will connect to the last connected phone automatically when it turns on.Package Included:( Send without retail box)1 * Car Kit1 * User manual