1. Introduction
Thank you for choosing the JIAMQISHI EH02 Wireless Headset. This headset is designed to provide clear audio and communication with its AI noise-cancelling microphone and Bluetooth V5.2 technology. It offers comfortable wear and versatile connectivity for various devices. Please read this manual carefully before using the product to ensure proper operation and to maximize its lifespan.
2. Safety Information
- Do not expose the headset to extreme temperatures, humidity, or corrosive substances.
- Avoid dropping or subjecting the headset to strong impacts.
- Do not disassemble or modify the headset. This will void the warranty.
- Clean the headset with a soft, dry cloth. Do not use liquid cleaners.
- Prolonged listening at high volume levels may cause hearing damage. Adjust volume to a comfortable level.
- Do not use the headset while driving or in situations where your attention is required for safety.
3. Package Contents
- JIAMQISHI EH02 Wireless Headset
- USB Charging Cable
- 3.5mm Audio Cable
- User Manual
4. Product Overview
Familiarize yourself with the components of your JIAMQISHI EH02 Wireless Headset.
Image: Front view of the JIAMQISHI EH02 Wireless Headset, showing the earcups, headband, and adjustable microphone boom arm.
- Power Button: Used to power on/off and for pairing.
- Volume Up/Down Buttons: Adjust audio volume.
- Multi-function Button (MFB): Controls calls and music playback.
- Microphone Boom Arm: Rotates for mute function.
- Charging Port: USB port for charging the headset.
- 3.5mm Audio Jack: For wired connection.
5. Setup
5.1. Charging the Headset
Before first use, fully charge the headset. Connect the USB charging cable to the headset's charging port and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status.
- Charging Time: Approximately 10 minutes for 2 hours of work time, or full charge for up to 14 hours talk time.
- LED Indicator: Refer to the headset's specific LED behavior for charging status (e.g., red for charging, blue for fully charged).
5.2. Power On/Off
- Power On: Press and hold the Power Button for 3 seconds until the LED indicator flashes.
- Power Off: Press and hold the Power Button for 3 seconds until the LED indicator turns off.
5.3. Bluetooth Pairing
The headset supports Bluetooth V5.2 for stable wireless connection.
Image: Diagram illustrating Bluetooth 5.0 and dual connection capability, showing the headset connected to both a laptop and a smartphone simultaneously.
- Ensure the headset is powered off.
- Press and hold the Power Button for 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, computer, etc.), enable Bluetooth and search for new devices.
- Select "EH02" from the list of available devices.
- Once connected, the LED indicator will flash blue slowly.
5.4. 3.5mm Wired Connection
The headset can also be used with the included 3.5mm audio cable for a wired connection, which supports mic mute and indicator/speaker mute functions.
- Connect one end of the 3.5mm audio cable to the headset's 3.5mm audio jack.
- Connect the other end to the 3.5mm audio port on your device.
- The headset will automatically switch to wired mode.
6. Operating Instructions
6.1. Call Management
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Microphone Mute (Boom Arm): Rotate the microphone boom arm to the upright position to mute the microphone. A voice prompt will confirm "MIC mute" (this function applies only during a call).
Image: Diagram showing the 270-degree rotation of the microphone boom arm for mute control, with an arrow indicating the upright position for muting.
6.2. Audio Playback
- Play/Pause: Press the MFB once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Press the Volume Up button.
- Volume Down: Press the Volume Down button.
6.3. AI Noise Cancelling Microphone
The JIAMQISHI EH02 features a Qualcomm chip QCC3024 with an AI environmental noise cancellation (ENC) microphone. This technology is designed to eliminate up to 99.99% of ambient noise, ensuring clear communication in noisy environments.
Image: Internal diagram of the headset highlighting the Qualcomm chip QCC3024, Omnidirectional Silicon MIC, and ENC Built-in Chip + Sound Process system for noise cancellation.
6.4. Dual Device Connection
The headset supports connecting to two Bluetooth devices simultaneously, allowing seamless switching between them (e.g., a computer for calls and a phone for music).
- Pair the headset with the first device as described in section 5.3.
- Disconnect Bluetooth on the first device temporarily.
- Put the headset back into pairing mode and pair with the second device.
- Reconnect Bluetooth on the first device. The headset should now be connected to both.
- Audio will play from the active device. To switch, pause audio on one device and start playback on the other.
7. Comfort and Design
The JIAMQISHI EH02 headset is designed for extended wear comfort.
Image: Close-up of the headset's earpads, emphasizing their soft, pillow-like comfort.
Image: Four panels illustrating the headset's ergonomic features: exquisite soft cushion leather head beam, 90-degree rotatable soft memory foam earmuffs, adjustable metal headband, and 270-degree flexible microphone.
- Adjustable Headband: The padded headband can be adjusted to fit various head sizes.
- Soft Ear Cushions: Made with protein memory foam and breathable material for comfort during long periods of use.
- Flexible Microphone: The microphone boom arm is flexible and can be adjusted for optimal voice pickup.
8. Maintenance
8.1. Cleaning
- Wipe the headset with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Avoid getting moisture into any openings.
8.2. Storage
- Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the headset every three months to maintain battery health.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on. | Low battery. | Charge the headset fully. |
| Cannot pair with device. | Headset not in pairing mode; Bluetooth not enabled on device; device too far. | Ensure headset is in pairing mode (flashing red/blue); enable Bluetooth on device; move headset closer to device (within 10 meters). |
| No sound from headset. | Volume too low; headset not connected; incorrect audio output selected. | Increase volume on headset and device; ensure headset is connected; check audio output settings on your device. |
| Microphone not working. | Microphone muted; incorrect input device selected. | Ensure microphone boom arm is not in the upright (muted) position; check microphone input settings on your device. |
| Intermittent connection. | Interference; device too far; low battery. | Move away from other wireless devices; move closer to the connected device; charge the headset. |
10. Specifications
| Feature | Detail |
|---|---|
| Model Name | EH02 |
| Connectivity Technology | Wireless, 3.5mm Jack |
| Wireless Communication Technology | Bluetooth V5.2 |
| Noise Control | Active Noise Cancellation (AI ENC Microphone) |
| Battery Life | Up to 14 Hours (Talk Time) |
| Charging Time | Approx. 10 minutes for 2 hours work time |
| Frequency Range | 20Hz - 20,000Hz |
| Material | Plastic |
| Ear Placement | On Ear |
| Form Factor | On Ear |
| Item Weight | 9.6 ounces |
| Manufacturer | JIAMQISHI |
11. Warranty and Support
The JIAMQISHI EH02 Wireless Headset comes with a 24-month warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact JIAMQISHI customer service through the retailer where you purchased the product or visit the official JIAMQISHI website for contact information.
Please retain your proof of purchase for warranty validation.
