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All purchases from Avantree.com automatically comes with a 24-month warranty.

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For same item orders:

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CK310

CK310

Bluetooth Receiver to FM Radio Transmitter, Ideal for Cellphone Audio Streaming to Car & Handsfree Calls, Auto Power On/Off

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$29.99
FREE shipping and returns
 
Purchases from Avantree.com gets 2-year warranty
  • WIRELESS STREAMING IN YOUR CAR - Adding technology in your car: 1) Wireless connection; 2) Answer phone calls with a touch of a button; 3) Navigation with your phone GPS; 4) Play music, podcasts, audiobooks and more!
  • NO CIGARETTE LIGHTER REQUIRED - Unlike other products on the market, this Bluetooth FM transmitter does not occupy your cars cigarette lighter or other port locations. The built-in battery is designed to last up to 7 hours of wireless play time for music, taking calls or navigating with driving directions.
  • PLACE ANYWHERE YOU WANT - More versatile than competitor’s devices that only connects to the cigarette port restricting your mounting locations. Our wireless FM radio transmitter device comes with magic tape to be placed wherever is most convenient for you to operate and make clear calls.
  • TURNS ON / OFF WITH YOUR CAR - Conveniently designed so you don’t have to worry about charging and pressing the power button every time you step in your vehicle. While connected via USB port, the hassle-free CK310 auto powers on/off along with your vehicle. Compatible with all Wireless enabled phones and all car models with FM radio.
  • USER FRIENDLY - Using wireless or wired connection – turn your car FM radio on, find an empty frequency, and match it to the transmitter; Pair it with your mobile device via Wireless to enjoy music playback or hands-free conversation. The large LED touch screen simplifies the process of adjusting FM frequencies, answering or disconnecting calls, or playing and pausing your music.

Wireless FM Transmitter for Car

Wireless car kit streaming stereo music to car audio system with crystal clear hands-free calling with touch button

Superior stereo sound

Long battery life

Crystal clear calls

ON/OFF with Car

Easy to use

Superior stereo sound

Our transmitter allows you to add wireless audio to your existing car stereo system instantly, and listen to your favorite songs and podcasts from your smartphone using in-car FM radio broadcast.

Long battery life

Our rechargeable lithium-ion battery delivers up to 7 hours of talk time and 9 hours of music time. When running low, simply charge for 2 hours to continue your car audio experience.

Crystal clear calls

Featuring a built-in microphone and advanced noise cancellation technology, Our transmitter suppresses background noise and wind
so you can experience clear calls no matter where you are. Our transmitter also comes with magic tape to adhere in the ideal place for smoother conversations.

Turns ON/OFF with Car

Conveniently designed so you don’t have to worry about charging and pressing the power button every time you step in your vehicle. While connected to your vehicle’s USB port, the hassle-free CK310 auto powers on/off along with your vehicle.

Easy to use

Developed with a large LED screen to better visualize FM frequency, our transmitter is highly responsive and allows you to easily reconect your phone, play or pause your music and answer or disconnect a call at the touch of a button.

Explore more from Avantree

  • ACCESSORIES
Micro USB charging cable
Micro USB charging cable
Micro USB charging cable for transmitters / headphones
$9.99
USB charger (US standard)
USB charger (US standard)
5V/1A USB charger for transmitter / headphones
$9.99

Top Questions

  • How to find a clear FM channel for this device to connect?

    This depends on the FM signal of your location. In general, most vacant/empty channels are found below 90.0MHz and above 107.0MHz. You can use your car radio to find a channel that has no broadcasting going on. Listen for a channel that contains constant static/buzz sound.

    NOTE: Empty channels vary by region. If you are on the road and you move out of your current region, you may notice that the FM transmitter begins to experience interference and poor audio quality. This means that the empty FM channels have changed. In this case, safely search for a new empty channel with no voices or music and constant static to use with the Roadtrip.

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  • How to Use the CK310

    The CK310 is a radio transmitter for your car. Once it is connected to your device via Bluetooth, it transmits the audio into an FM station and you can listen to your music from your car stereo. Here are some instructions on setting this up.

    Step 1: Choose a frequency.

    Because FM signals can easily be interfered with by other FM channels & signals, the best way to minimize the interference is to find a “clean” and “vacant” FM frequency to use. These type of frequencies are most commonly found below 90.0MHz and above 107.0MHz. 

    Step 2: Set the CK310 to that frequency.

    Use the + and - buttons on the CK310 to cycle through the frequencies. If you press and hold these buttons, you can quickly scroll through the whole-number portion of the stations. If you tap on these buttons, you can go through each decimal number for the stations. 

    Step 3: Set your radio to the same frequency.

    On your car stereo or any radio of your choice, go to the same frequency as the CK310 to listen to the audio streamed from your Bluetooth device.

    FM_setting.png

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  • How to Pair CK310 with a Mobile Phone

    Step 1: Entering Pairing Mode on the CK310 FM radio transmitter.

    Press the power button to turn the CK310 on. From there, press and hold the power button for about 3 seconds until the LED (phone icon) on the display flashes RED and BLUE.

    Note: If this is the first time you are using the CK310, it will automatically enter pairing mode upon turning on.


    Step 2: Connecting to Bluetooth on Your Device.

    On your device, locate the Bluetooth settings and make sure that Bluetooth is turned on. Find and select “Avantree CK310” to connect the speaker.  

    Once connected, the LED will flash BLUE then turn off. The CK310 will show as connected on your device. 

    pair_and_connect.png

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