1、Dual fast charging QC0, PD18W, synchronized mobile phone time, 24H time display, very user‑friendly design. 2、One‑button heavy bass, directional microphone noise reduction (suppressing road noise), giving you clear sound quality. 3、The Bluetooth version supports bluetooth V0, and supports A2DP, AVRCP, HFP, HSP. 4、Support button to wake up the mobile phone voice assistant, support power‑off memory, support Bluetooth connection. 5、Plug the audio cable into the AUX hole for audio output, and plug the one‑way microphone into the AUX hole for call audio reception. 6、Multiple protection, input over‑voltage protection, output over‑current protection, output short‑circuit protection, over‑temperature protection. 1 x Car Bluetooth Charger1 x Audio Wire Harness1 x Microphone1 x Manual  Item Type: Car Bluetooth ChargerMaterial: ABSCable Length: Approx. 1050mm/ 41.34inColour: BlackRated Working Voltage: 12V-24VOrange USB: QC 3.0 (Maximum 18W)Type-C: PD 3.0 (Maximum 18W)Working Temperature: 0-50℃Support Playback Format: MP3 / WMA / WAV / FLACSignal to Noise Ratio: >60dBBattery Voltage Error: ± 0.5VBluetooth Version: Version 5.0Bluetooth Sound Processing: With DSP Technology and A2DP (Advance Audio Distribution Profile) FunctionBluetooth Transmission Distance: Approx. 10m/ 10.94ydBluetooth Microphone Effective Distance: Approx. 0.5-2m/ 0.55- 2.19ydFM Transmitting Frequency: 87.5-108MhzTransmit FM Mode: Stereo Digital PLL Frequency LockTime Display Error: Deviation Less Than 2 SecondsTYPE-C Interface PD: 18W USB Interface QC 3.0Installation Instructions: No Other Driversare Needed, Plug and Play