EJEAS V4 Plus Bluetooth Intercom System
User Manual
Product Description
The EJEAS V4 Plus is a Bluetooth intercom communication system designed for helmets.
- Antenna
- A Button
- Volume Up (+)
- FM Button
- Indicator Light
- B Button
- Power/Phone Button
- Volume Down (-)
- Earphone Interface
Installation Guide
- Attach the clip to the edge of the helmet.
- Mount the intercom onto the clip.
- Use the magic sticker inside the helmet.
- Organize any loose wires and tuck them inside the helmet lining.
Operation Guide
Key Operations
- Click: Single press of a button.
- Double Click: Press a button twice in quick succession.
- Press for 5s: Press and hold a button for 5 seconds.
- Press for 5s Simultaneously: Press and hold two buttons simultaneously for 5 seconds.
Power On/Off
- Power On: Press and hold the Power/Phone button for 1 second. You will hear a prompt and the indicator light will flash blue slowly (standby mode).
- Power Off: Press and hold the Power/Phone button until the light turns off.
Battery Level Check
- Press and hold the A and + buttons simultaneously for 3 seconds. The system will announce the battery level: "Battery Level High", "Battery Level Medium", or "Battery Level Low".
Battery Status
- Low Battery Warning: Rapid flashing red light. Announcement: "Low Battery".
- Charging: Solid red light.
- Fully Charged: Red light turns off.
Volume Control
You can adjust the volume using the '+' and '-' buttons. FM and intercom volume can be used simultaneously.
When using FM and intercom simultaneously, you can control the FM volume.
Restore Factory Settings
Press and hold the Volume Up (+), Volume Down (-), and Phone buttons simultaneously for 5 seconds. The indicator lights will flash red and blue three times, and you will hear the prompt "Restore Default Settings".
Dialog Pairing
Pairing Two Devices
- Press and hold the A button on Device 1 and the B button on Device 2 for 5 seconds. The red and blue lights will flash alternately.
- The system will start searching and automatically match. Matching successful.
- Once connected, a call will be initiated.
Pairing Three Devices
- Connect Device 1 and Device 2 as described above.
- Press and hold the A button on Device 2 and the B button on Device 3 for 5 seconds. The red and blue lights will flash alternately.
- The system will start searching and automatically match. Matching successful.
- Click the A button on Device 1. (Blue light flashes once and stays on for 2 seconds).
- Once connected, a call will be initiated.
Reconnecting After Disconnection
Reconnect after disconnecting or powering off.
- To connect Device 3, click the A button on Device 2.
- To connect Device 1, click the B button on Device 2.
- To connect devices individually (e.g., 1&2 or 2&3): Blue light flashes once and stays on for 2 seconds.
- To connect devices 1, 2, and 3 simultaneously: Blue light flashes twice and stays on for 2 seconds.
Disconnecting a Conversation
- Press and hold the Phone button for 1 second to end a call.
Compatibility with Older Devices
Pairing with Older Devices
- Press and hold the Volume Down (-) button and the A button on V4 Plus for 5 seconds. Press the B button on V4 for 3 seconds. The red and blue lights will flash alternately. Matching successful.
- Click the A button on V4 Plus.
Pairing with Other Older Devices
- Press and hold the Volume Down (-) button and the B button on V4 Plus for 5 seconds. Press the A button on V4 for 3 seconds. The red and blue lights will flash alternately.
- Click the A button on V4. (Blue light flashes). Matching successful.
- Click the B button on V4 Plus.
Bluetooth Pairing (HFP-AG)
- Press and hold the Volume Up (+) button and the A button on V4 Plus for 5 seconds. The red and blue lights will flash alternately.
- Open the Bluetooth search mode on other devices that support HFP.
- Click "Connect" on the A button.
Bluetooth Pairing (HFP-HF)
- Press and hold the Volume Up (+) button and the B button on V4 Plus for 5 seconds. The red and blue lights will flash alternately.
- Open the Bluetooth search mode on other devices that support HFP.
- Click "Connect" on the B button.
Phone Pairing
- In standby mode, press the Phone button for 5 seconds. "Phone Pairing" prompt. The red and blue lights will flash alternately.
- Open Bluetooth on your mobile phone and click on the device.
- Connection successful. Blue light flashes twice slowly. "Pairing Successful" prompt.
The current power status will be displayed with a Bluetooth icon on your mobile phone (mobile phone must support HFP).
Bluetooth and Phone Reconnection: Automatic reconnection.
Call Control
Answering a Call
If there is no operation within 8 seconds, the call will be answered automatically.
Rejecting a Call
Press the Phone button for 2 seconds.
Last Number Redial
Double-click the Phone button.
Ending a Call
Press the Phone button.
Call Priority
When listening to Music/FM/Intercom, if a call is received:
- During Call: Music/FM/Intercom will be interrupted.
- After Call: Music/FM/Intercom will resume.
Voice Assistant
Your mobile phone must support voice assistant to use this feature.
- Open the voice assistant.
- Press the Phone button for 1 second.
Music Control
Play/Pause
Press the Phone button.
Switching Tracks
- Previous Track: Press the A button for 2 seconds.
- Next Track: Press the B button for 2 seconds.
Radio (FM)
FM Radio On/Off
Frequency range: 76-108MHz. The system will automatically search and play radio stations.
- Turn On FM: Press the FM button for 1 second. (4 seconds blue light, flashes red twice). Prompt: "FM radio".
- Turn Off FM: Press the FM button for 1 second. Prompt: "FM radio off".
Switching Channels
- Previous Channel: Press the A button for 2 seconds.
- Next Channel: Press the B button for 2 seconds.
EUC Remote Control (Optional)
Button Description
- FM Button
- No function button
- B Button
- A Button
- Volume Up (+)
- Phone Button
- Volume Down (-)
Remote Control Connection
- Press and hold the FM button and Volume Down (-) button for 5 seconds to clear the EUC pairing record. The red and blue lights will light up.
- Press and hold the Phone button and B button on V4 Plus for 5 seconds. "Remote Control Pairing" prompt. The red and blue lights will flash alternately.
- Click any button on the EUC.
- Connection successful. "Pairing Successful" prompt. (Pairing is successful within 2 minutes, and the matching status will end automatically.)