1、Answer calls hands‑free design, high‑performance microphone with noise suppression cvc technology, grants you clear call, answering/redialing/dismissing or ending the call just simply click a button. 2、The bluetooth transmitter supports voice navigation of your phone. meanwhile, power off or power on, just slightly rotate the phone button, making drive more safe. 3、It can also support your playlist with no distortions of the original signal from your mp3 smartphones and more bluetooth enabled devices. 4、Support for Siri/for Google voice assistant, Support stereo FM Transmitter, Support power off memory function, Support bluetooth reconnect automatic, bluetooth support A2DP, AVRCP, HFP, HSP. 5、Support private answer, Support bluetooth stereo music DSP technology,seamlessly switches between incoming calls and music, and support one key to turn off FM Transmitter, retain charging function. 6、Support bluetooth V5.0, dual LED Display, battery voltage real‑time detection and display, Support QC3.0 (QC 18W), PD3.0(PD 18W).