Product Overview
The GOgroove FlexSMART X3 Mini is a compact Bluetooth FM transmitter designed to bring modern audio connectivity to your vehicle. It enables wireless music streaming from your smartphone or MP3 player, hands-free calling, and device charging via its integrated USB port. The device transmits audio to your car's FM radio, allowing you to enjoy your media through your car's speakers.

Image: GOgroove FlexSMART X3 Mini Bluetooth FM Transmitter, showing its compact design.
Package Contents
Verify that all items are present in the package:
- FlexSMART X3 Mini Control Hub
- DC Neck (cigarette lighter adapter)
- Micro USB Charging Cable
- 3.5mm Audio Cable (Auxiliary Cable)

Image: The FlexSMART X3 Mini Control Hub, DC Neck, Micro USB Charging Cable, and 3.5mm Audio Cable.
Setup
- Assemble the Device: Connect the FlexSMART X3 Mini Control Hub to the DC Neck. Ensure it is securely attached.
Video: Demonstrates the assembly of the FlexSMART X3 Mini and its connection to a car's power outlet.
- Plug into Car Power Outlet: Insert the assembled FlexSMART X3 Mini into your vehicle's 12V DC power outlet (cigarette lighter socket). The device's LCD display will illuminate.

Image: The FlexSMART X3 Mini plugged into a car's 12V power outlet, showing its display and a connected smartphone.
- Find an Open FM Frequency: Tune your car's FM radio to an unused frequency, typically one with static or no broadcast. Then, adjust the FlexSMART X3 Mini to match this frequency using the '+' and '-' buttons on the device. The LCD will show the current FM frequency.
Operating Instructions
Control Buttons Overview

Image: Close-up of the FlexSMART X3 Mini's control panel, labeling the Call/Pair, LCD Display, End Call, Microphone, Volume/Station controls, Next Track, and Previous Track buttons.
- Call/Pair Button (Blue Phone Icon): Initiates Bluetooth pairing, answers incoming calls.
- End Call Button (Red Phone Icon): Ends current calls.
- LCD Display: Shows current FM frequency and connection status.
- Microphone: For hands-free calling.
- Volume + / Station +: Increases volume or FM frequency.
- Volume - / Station -: Decreases volume or FM frequency.
- Next Track (>): Skips to the next audio track.
- Previous Track (<): Skips to the previous audio track.
- Play/Pause (Center Button): Plays or pauses audio playback.
Bluetooth Pairing
- Ensure the FlexSMART X3 Mini is plugged into your car's power outlet and powered on.
- On your smartphone or Bluetooth-enabled device, navigate to the Bluetooth settings.
- Search for available devices and select "FlexSMART X3 Mini" from the list.
- Once paired, the Bluetooth icon on the FlexSMART X3 Mini's LCD display will illuminate, and you will hear an audible confirmation.
FM Transmission
- After pairing your device, ensure your car's FM radio is tuned to the same clear frequency as the FlexSMART X3 Mini.
- Begin playing audio on your paired device. The audio will transmit wirelessly to your car's speakers.
- Adjust the volume using the '+' and '-' buttons on the FlexSMART X3 Mini or your car's stereo controls.
Hands-Free Calling
- When an incoming call is received, the FlexSMART X3 Mini will announce the call.
- Press the Call/Pair button (blue phone icon) to answer the call.
- Speak clearly into the integrated microphone.
- To end a call, press the End Call button (red phone icon).

Image: A hand pressing the call button on the FlexSMART X3 Mini while a phone displays an incoming call, demonstrating hands-free calling.
Charging Devices
The FlexSMART X3 Mini features a USB charging port (DC 5V 1A) located on the side of the control hub. Connect your device's USB charging cable to this port to charge it while driving.

Image: A smartphone connected to the USB charging port of the FlexSMART X3 Mini, indicating active charging.
Auxiliary Input/Output
The device includes both an Aux Line-In and Aux Line-Out port:
- Aux Line-In: Connect non-Bluetooth devices (e.g., older MP3 players) directly to the FlexSMART X3 Mini using the provided 3.5mm audio cable to stream audio.
- Aux Line-Out: Connect the FlexSMART X3 Mini to your car's auxiliary input (if available) for a direct wired connection, potentially offering clearer audio quality than FM transmission.

Image: The FlexSMART X3 Mini showing its USB Charging Port, Aux Line-In, Aux Line-Out, and DC Barrel connection points.
Troubleshooting
| Problem | Solution |
|---|---|
| Static or Poor Audio Quality: |
|
| Bluetooth Not Connecting: |
|
| No Power to Device: |
|
Specifications
- Input: DC 12V
- Bluetooth Version: V2.1
- Frequency Range: 88.1 – 107.9 MHz
- USB Charging Output: DC 5V 1A
- Connectivity Technology: Auxiliary, Bluetooth, USB
- Display Type: LCD
- Control Type: Button Control
- Item Dimensions (L x W x H): 8.9" x 4.8" x 1.5"
- Item Weight: 0.13 Kilograms
- Compatible Devices: Bluetooth and USB-enabled devices, including smartphones, MP3 players, and tablets
- Supported Standards: Bluetooth V2.1, A2DP, AVRCP, HFP
Safety Information
WARNING:
- Do not use while driving if it distracts from safe operation of the vehicle.
- Keep away from excessive heat and humidity.
- Do not dispose of in regular trash. Follow local regulations for electronic device disposal.
Warranty and Support
The GOgroove FlexSMART X3 Mini is backed by a GOgroove 3-Year Manufacturer's Warranty. For technical support or warranty claims, please contact GOgroove customer service. Refer to the official GOgroove website for contact information.
Official GOgroove Website: www.gogroove.com




