Specifications Name Car Bluetooth Transmitter and ReceiverProduct Size 46x46x13 5mmBluetooth Version 5 0Signal to Noise Ratio 75dBBluetooth Distance Barrier Free 10 MetersFrequency Response 50Hz 20KHzOutput Interface 3 5MM AUX OUTMicrophone Sensitivity 42dBPower Supply 5V 0 1A USBSpring Wire Supports USB 5V100MA Power SupplyFeatures Seamless Bluetooth Connectivity Utilizing Bluetooth 5 0 technology this device offers a stable and swift connection With a barrier free distance of up to 10 meters you can enjoy uninterrupted music or hands free calls without any interference Enhanced Audio Performance Featuring a wide frequency response of 50Hz 20KHz and a signal to noise ratio of 75dB this device ensures high fidelity sound Whether it s music or calls every note and word is crystal clear providing an excellent audio experience User Friendly Design The compact size of 46x46x13 5mm makes this device easy to use and install in any car The interface includes a convenient 3 5MM AUX OUT providing a simple and efficient way to transmit audio to your car s sound system Power Efficient This device supports a 5V 0 1A USB power supply ensuring that it operates efficiently without draining your vehicle s battery The spring wire supports USB 5V100MA power supply making it adaptable to various power configurations LED Digital Display Equipped with a large size LED digital display this device provides clear visibility of settings especially at night Thi