JaJaBor Bluetooth-compatible 5.0 Hands Free Car kit with NFC Function +3.5mm AUX Receiver Music Aux Speakerphone 2.1A USB Car Charger Please note: 1.in order to make the sound more clear, the car charger must use the original car chargercome in with the retail box), because the current of the device design matches the current of the original car chargerif the current not match, the sound will be disturbed. 2. If there are other car Bluetooth in the car, the sound will also be disturbed. So please do not turn on other bluetooth devices except the JRBC01 device. please delete all the Bluetooth devices from your phone, After you delete it, restart the phone Bluetooth function. Features:1. Latest 5.0 technology.2. Supports pairing two smarts devices at once.3. MIC mute function.4. Supports all compatible Bluetooth-compatible enabled device.5. Built-in microphone.6. Echo and noise canceling function for clear conversations.7. Fast NFC pairing with NFC enabled smartphones.8. Music player controls: VOL+, VOL-, FWD, REV.9. You can achieve all music operations and phone operations by 3 control button.10.JRBC01 can also connect with the old speaker of without Bluetooth-compatible in your home; make it become the Bluetooth-compatible speakers, Then you can enjoy the music and answer the call from your mobile phone without the cable.Specifications:Wireless Version: 5.0 Frequency response: 20-20 000 hzWireless frequency: 2402 MHZ ~ 2480 MHZWireless profiles supported: HFP, HSP, A2DP and AVRCPWireless rang: up to 30 feetThe distortion degree :< 0.5%Charging Input: DC 12V-24VCharging Output: DC 5V/2.1A (MAX)Product dimension: 1.7*0.4inchWeight (product+package):100gPackage dimension: 17.2*10*3.30CM, 6.8*4*1.3 Inch3.5MM AUX Cable: 150CM, 59inchPackage included: 1* Hands-Free car kit1* Dual USB 2.1A car charger1* User manual 1.Multifunction button: Play, pause or stop music 2. Back/previous track, volume down/- 3. Mic 4.NFC 5. LED indicator 6.Forward/Next track, volume up/+ 1.Automobile USB port 2. AUX audio jack 3. Bluetooth-copatible 4. Double-sided sticker Attaches to car dashboard as shown