【10 in 1 Upgraded Version】 Acekool FM transmitter is a combination of Bluetooth transmitter/ QC3.0 USB Car Charger/ Music Player/ AUX InputOutput/ Hands-free Calling/ 1.7 Inch Display/ Power Off/ On Function/ Car Mount Holder/Work With iPhones Siri,Hold The Dial Down To Activate Siri.
【Smart and Fast Charging】 Bluetooth fm transmitter with quick charge 3.0 technology provides 4x faster charging speed to compatible devices, can charge two devices simultaneously. 2.4 A USB port charges up to 2.5X faster than usual car charger. Long press”Next Song”button for 5 seconds to turn off FM transmitter, which can avoid signal interference when listening to the local radio while keep charging.
【Better Sound Quality & EDR】 BT70 FM Transmitter Adapter can provide the better sound quality than other 1.44in car kit. Noise and wind will be suppressed by CVC technology to create full duplex sound quality. EDR(Enhanced Data Rate), which ensures a faster data transmission rate and much more stable connection between a Bluetooth device and the audio receiver.

SIMPLEST OPERATION: With the big rotary knob, only one finger can to handle it for answer/hang off, play/pause, channels up/down etc. So we can save one more seconds when driving, and much more safer.
CRYSTAL SOUND QUALITY: By adopting advanced interference and noise cancellation CVC (Clear voice capture) technology, the Bluetooth car kits can provide you clear, crisp sound quality during phone calls and music playback. NO STATICS, NO NOISE, NO ECHO.
INNOVATED SAFETY: An Unibody Structure with innovated DC-to-AC controller IC, and safety capacitor. Will be more stable current&voltage, More protection on the charging devices.

【Hands-Free Calling】The built-in microphone provides you with an amazing hands-free function after connected with cell phone via Bluetooth. Automatically switch to hands-free mode from music playing status when receiving a call. Make driving easy and safer.
【Dual USB Ports】One is 5V/2.1A USB charging port to get your phone full charged in short time, and the other is designed for reading USB files.
【FM Transmitter Radio Adapter】Wirelessly stream high quality audio to the car FM stereo system via Bluetooth connection to compatible devices, or insert U disk and micro SD card. FM 87.5-108.0MHz full channels covered（The sound would be better if you tune the channel to 106.0~108.0).

【Dual USB Ports】One is 5V/2.1A USB charging port to get your phone full charged in short time, and the other is designed for reading USB files.
【FM Transmitter Radio Adapter】Wirelessly stream high quality audio to the car FM stereo system via Bluetooth connection to compatible devices, or insert U disk and micro SD card. FM 87.5-108.0MHz full channels covered（The sound would be better if you tune the channel to 106.0~108.0）.
【Hands-Free Calling】The built-in microphone provides you with an amazing hands-free function after connected with cell phone via Bluetooth. Automatically switch to hands-free mode from music playing status when receiving a call. Make driving easier and safer.

【FM Transmitter Function】Blufree Bluetooth FM transmitter is used for transmitting audio from a playing portable audio devices (usually a cell phone or similar) to car radios that don’t have an Auxiliary “AUX” input jack or Bluetooth audio connectivity. FM Transmitter is plugged into the car cigarette lighter and then broadcast the signal over an empty FM broadcast band frequency for the good audio quality performance.
【Hands free Car Kits】The car FM Transmitter has an embedded microphone in Bluetooth transmitter unit itself to transmit the voice in the phone call to car stereo. Paired cell phone to Blufree FM Transmitter Adapter, you can have phone call conversation at anywhere you want, listen your own mobile music and even audio GPS navigation.
【Noise reduction】The car radio adapter combines both noise cancellation and echo cancellation into a single technology for noise reduction and audio quality, so that it can remove the noise around you and also can transmit the voice clearly and loudly to whoever is connected to you. Have better sound quality of car stereo without requiring a wired connection.