Description:FeaturesWirelessly trasmit phone call from mobile phone to car FM stereo systemSwitch to Hand-free mode automatically from music playing status when receiving callOne-Key switch to real EQ mode for music playingStrong and elegant design with LED frequency displaySuports music playing from USB disk and TF cardDetect and display the voltage of car battery when power onParameterRated working voltage: 12V-24VExtreme working voltage: 10~26VPower consumption: 1WWorking temperature: 0~50 degreesSupport playback format: MP3 / WMA / WAV / APE / FLACSignal to noise ratio: >60dBBattery voltage error: 0.5VFrequency response: 20Hz-15KhzLeft and right channel separation: >60dBBluetooth version: Version 4.2Bluetooth sound processing: with DSP technology and A2DP (Advance Audio Distribution Profile) functionBluetooth transmission distance: 10MBluetooth microphone effective distance: 0.5~2MFM transmission frequency: 87.5~108MhzTransmit FM mode: stereo digital PLL lock frequencySpecifications:Using high-performance professional-grade Bluetooth 4.2 chipYou can also use hands-free callingYou dont need to modify your car to make it easy for you to enjoy the music while youre on the roadBluetooth 4.2 version, support operation voice prompts, support call numberSupport FM full-frequency point emissionBluetooth stereo music playbackPackage Included:1*Car Charger1*English User ManualNotes:Due to the difference between different monitors, the pictures may not reflect the actual color of the item.Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.Please leaving a message before you give the bad feedback, if the products have some problems.Thanks for your understandings.