1Mii MK02
1Mii Bluetooth 5.3 Car Hands-Free Kit User Manual
Model: MK02
Introduction
The 1Mii MK02 Bluetooth 5.3 Car Hands-Free Kit is designed to provide a safe and convenient communication experience while driving. Featuring advanced Bluetooth 5.3 technology, a 3W speaker, and CVC 8.0 noise cancellation, it ensures clear calls and audio. Its automatic on/off function and voice assistant support enhance user convenience and driving safety.
What's in the Box
- MK02 Car Bluetooth Hands-Free Kit
- Removable Back Clip
- USB Charging Cable
Product Overview

Figure 1: 1Mii MK02 Bluetooth Car Kit with key components labeled for easy identification.
- 1. Mute Button: Press to mute/unmute the microphone during a call.
- 2. Multifunction Button (Center Knob): Rotate for volume control, press briefly to answer/end calls or play/pause music.
- 3. LED Indicator: Displays device status (pairing, connected, low battery, charging).
- 4. Siri/Google Button: Press to activate voice assistant (Siri or Google Assistant).
- 5. On/Off Switch: Slide to power the device on or off.
- 6. Microphone: Captures your voice for calls and voice commands.
- 7. Charging Port: USB-C port for charging the device.
- 8. Sun Visor Clip: Used to attach the device securely to your car's sun visor.
Setup
1. Charging the Device
Before first use, fully charge the 1Mii MK02. Connect the provided USB charging cable to the device's charging port and a suitable USB power source (e.g., car charger, USB wall adapter). The LED indicator will show charging status and turn off when fully charged. A full charge takes approximately 1.5 to 2 hours and provides up to 35 hours of talk time (at 50% volume).

Figure 2: Charging the 1Mii MK02 via its USB-C port.
2. Mounting the Device
Attach the removable back clip to the 1Mii MK02. Securely clip the device to your car's sun visor, ensuring it does not obstruct your view or interfere with driving.

Figure 3: The 1Mii MK02 securely mounted on a car's sun visor.
Operating Instructions
1. Power On/Off
- Power On: Slide the ON/OFF switch to the "ON" position. The device will automatically power on and enter pairing mode or reconnect to the last paired device.
- Power Off: Slide the ON/OFF switch to the "OFF" position.
The device features an intelligent vibration sensor. When you open your car door, the device will automatically power on and connect to your phone. It will automatically power off when you leave the car and no vibration is detected for a period.

Figure 4: Automatic power on and connection via vibration detection.
2. Bluetooth Pairing
- Ensure the 1Mii MK02 is powered on and the LED indicator is blinking, indicating it's in pairing mode.
- On your smartphone, go to Bluetooth settings and search for available devices.
- Select "1Mii MK02" from the list to connect. Once connected, the LED indicator will turn solid blue.
The device supports dual connection, allowing you to connect two mobile phones simultaneously. You can easily switch between music and calls from either phone.

Figure 5: Dual Bluetooth connection capability.
3. Making and Receiving Calls
- Answer Call: Briefly press the Multifunction Button (center knob).
- End Call: Briefly press the Multifunction Button during a call.
- Reject Call: Press and hold the Multifunction Button for 2 seconds when a call comes in.
- Redial Last Number: Double-press the Multifunction Button.
- Mute Microphone: Press the Mute Button during a call. Press again to unmute.
4. Volume Control
Rotate the Multifunction Button (center knob) clockwise to increase volume and counter-clockwise to decrease volume.
5. Voice Assistant (Siri/Google)
Press the Siri/Google Button to activate your smartphone's voice assistant (Siri for iOS, Google Assistant for Android). This allows for hands-free commands for navigation, calls, messages, and music playback.

Figure 6: Activating voice assistant for safe driving.
6. Music Playback
- Play/Pause: Briefly press the Multifunction Button.
- Next Track: Rotate the Multifunction Button clockwise and hold for 2 seconds.
- Previous Track: Rotate the Multifunction Button counter-clockwise and hold for 2 seconds.
Maintenance
- Keep the device dry. Avoid exposure to moisture or extreme temperatures.
- Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the device in a cool, dry place when not in use for extended periods.
- Do not attempt to disassemble or repair the device yourself. This will void the warranty.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery; Power switch is OFF. | Charge the device; Slide the power switch to ON. |
| Cannot pair with smartphone. | Bluetooth not enabled on phone; Device not in pairing mode; Too far from phone. | Enable Bluetooth on your phone; Ensure device LED is blinking; Move device closer to phone (within 10 meters). |
| No audio during calls/music. | Volume too low; Device not connected; Phone audio output not set to Bluetooth. | Increase volume on device and phone; Reconnect device; Check phone's audio output settings. |
| Poor call quality/echo. | Environmental noise; Device position; Software issue. | Ensure device is positioned correctly on sun visor; Try moving to a quieter environment; Restart both device and phone. |
| Automatic on/off not working. | Vibration sensor obstructed or faulty; Device too stable. | Ensure device is securely mounted and can detect vibrations; Try manually powering on/off. |
Specifications
| Feature | Detail |
|---|---|
| Model | MK02 |
| Bluetooth Version | Bluetooth 5.3 |
| Speaker Output Power | 3 Watts |
| Noise Cancellation | Qualcomm cVc 8.0 |
| Battery Type | Lithium Polymer (included) |
| Battery Capacity | 1200mAh |
| Battery Life | Up to 35 hours (at 50% volume) |
| Charging Time | Approx. 1.5 - 2 hours |
| Dimensions | 6.8 x 11.5 x 3.7 cm |
| Weight | 120 grams |
| Connectivity | Bluetooth (Dual Link Support) |
| Special Features | Siri & Google Voice Assistant, Automatic On/Reconnection, Vibration Sensor |
Warranty and Support
For warranty information and technical support, please refer to the official 1Mii website or contact their customer service directly. Keep your purchase receipt for warranty claims.
Online Support: www.1mii.com/support/
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