UGREEN Bluetooth Name : Ugreen-70603 Bluetooth Version : 5 Sensitivity : 94dB SNR : >90dB Audio Transmission : Only option "With TF Card slot" support AAC and SBC, option"Standard style" support SBC Only? Bluetooth Delay : <200mS THD+N : <0.05% Frequency Response : 20Hz-20kHz Output Power Range : 740mVrms Operating Distance : Up to 10m/32ft Indicator Lights : LED Red and Blue Packaging : UGREEN retail box Equip Car Bluetooth with Ease Convert a normal car audio system into a Bluetooth speaker Hands-Free Calling &Navigation Built-in microphone for driving safer. Notice: On the condition that the TF card is loaded in the product, Bluetooth function will be unavailable and it will resume once removing the TF card. Speaker Support Transform the traditional speaker into a wireless audio system. Bluetooth 5.0 Version Guarantees low latency in signal transmission Exquisite Design Resistance to bending without breaking Quick Heat Dissipation Ensure reliable performance with excellent temperature control technology Transmission distance up to 10m Extensible cable body Compact and portable cable saves space on the center console