Specifications Product name bluetooth receiverModel JR CB3Bluetooth version V5 3Audio decoding SBCSupported protocols HSP HFP A2DP AVRCPSupport mode Bluetooth TF cardTransmission range â�¤12mFrequency range 20Hz 20KHzMicrophone sensitivity 38�±2dBProduct input 5Vâ��1AInput interface USB AUXProduct size 40 5mm 45 7mm 11 4mmProduct material ABS PCProduct net weight 40gGross weight 85gFeatures HiFi Stereo Audio JOYROOM Bluetooth receiver is equipped with the latest Bluetooth 5 3 technology optimizing the transmission delay and connection defect problems of the old Bluetooth 5 0 Our Bluetooth 5 3 adapter will bring you a faster more stable and smarter connection with less sound quality loss up to 100ft working distance enough for daily use Clearer Calls The Bluetooth car adapter is equipped with dual microphones working in tandem to collect your voice from 360�° for smoother calls The upgraded CVC8 0 technology and built in filter IC effectively filters out more road noise current sound and other distractions resulting in clearer hands free calls on both ends of the line Plug and Play Simply plug it into the 3 5mm auxiliary jack and power it through the USB port Start your car and the Bluetooth car adapter will automatically pair your phone immediately And it allows users to pair and share two devices at the same time to easily enjoy music and hands free calls Multifunction ButtonLED Light Design The independent button designed by the Bluetooth rec