Introduction
Thank you for choosing the Bluedio HT Wireless Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure an optimal audio experience. Please read it carefully before use.

Bluedio HT Wireless Headphones, showcasing the sleek design.
Package Contents
Ensure all items are present in your package:
- Bluedio HT Wireless Headphones
- USB Charging Cable
- Detachable Audio Cable (3.5mm)
- User Manual (this document)

Illustration of the items included in the Bluedio HT headphone package.
Headset Overview
Familiarize yourself with the buttons and ports on your Bluedio HT headphones:

Labeled diagram of the Bluedio HT headset controls and ports.
- Volume Up Button: Increases audio volume.
- Volume Down Button: Decreases audio volume.
- LED Indicator: Displays status (e.g., pairing, connected, charging).
- Power/MF Button: Power on/off, multi-function control.
- Wheel Switch: For track navigation (Previous/Next).
- Microphone: For calls and voice commands.
- USB Charging Socket: For charging the headphones.
- Audio Jack (3.5mm): For wired audio connection.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. The charging jack should be limited to 5V.
- Connect the USB charging cable to the USB Charging Socket on the headphones.
- Connect the other end of the USB cable to a compatible USB power source (e.g., computer USB port, wall adapter).
- The LED indicator will show charging status (usually red while charging, turns off or blue when fully charged).

The headphones offer extended battery life after charging.
2. Bluetooth Pairing
To connect your Bluedio HT headphones wirelessly to a mobile phone or other Bluetooth device:
- Keep the headphones and your mobile phone within 1 meter of each other for optimal pairing.
- Press and hold the Power/MF button until the LED indicator remains blue. This indicates the headphones are in pairing mode.
- On your mobile phone, enable the Bluetooth function and start a search for Bluetooth devices.
- From the list of found devices, select "H" (or "Bluedio H") to establish a Bluetooth connection.
- The LED will flash blue once connected. If prompted, enter the default PIN code "0000".

Visual guide for Bluetooth pairing process.
3. Wired Connection (Line-in)
You can use the headphones in wired mode, even if the battery is flat:
- Connect one end of the detachable audio cable to the 3.5mm Audio Jack on the headphones.
- Connect the other end of the audio cable to the 3.5mm audio output of your device (e.g., smartphone, MP3 player, computer).
- The headphones will function as a wired headset.
4. Wired Output (Line-out / Music Sharing)
In Bluetooth mode, you can share your music with another audio device:
- Ensure your Bluedio HT headphones are connected via Bluetooth to your primary audio source.
- Connect one end of the detachable audio cable to the 3.5mm Audio Jack on the Bluedio HT headphones.
- Connect the other end of the audio cable to the audio input of another headphone or speaker.
- Music playing on your Bluedio HT headphones will now also play on the connected device.

Illustration of wired audio input and music sharing functionality.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power/MF button until the LED indicator lights up.
- Power Off: Press and hold the Power/MF button until the LED indicator turns off.
Volume Control
- Increase Volume: Press the Volume Up button.
- Decrease Volume: Press the Volume Down button.
Track Control
- Next Track: Use the Wheel Switch to move to the next track.
- Previous Track: Use the Wheel Switch to move to the previous track.
Call Management
The built-in microphone allows for hands-free calls.
- Answer/End Call: Press the Power/MF button once.
- Reject Call: Press and hold the Power/MF button.
Voice Prompt Language Selection
You can switch the voice prompt language between English, Chinese, French, and Spanish:
- While the headset is on, simultaneously press the Power/MF button and the Volume Down button.
- Repeat until you hear your desired language.

Voice prompt language selection feature.
Active Noise-Cancellation (ANC)
The headphones feature active noise-cancellation for an immersive listening experience and clearer calls.
- Refer to the specific instructions in the full PDF manual for detailed activation and usage of ANC, as a dedicated button is not explicitly labeled in the overview image.

Noise reduction feature for crystal-clear calls.
Maintenance
- Clean the headphones regularly with a soft, dry cloth.
- Avoid exposing the headphones to extreme temperatures, humidity, or liquids.
- Store the headphones in a cool, dry place when not in use.
- Do not attempt to disassemble or repair the headphones yourself, as this may void the warranty.
Troubleshooting
If you encounter issues with your Bluedio HT headphones, try the following solutions:
- No Power: Ensure the headphones are fully charged.
- Cannot Pair:
- Make sure the headphones are in pairing mode (LED remains blue).
- Ensure Bluetooth is enabled on your device.
- Keep the headphones and device within 1 meter during pairing.
- Try restarting both the headphones and your device.
- No Sound (Bluetooth):
- Check if the headphones are properly connected to your device.
- Adjust the volume on both the headphones and your device.
- Ensure the correct audio output is selected on your device.
- No Sound (Wired):
- Ensure the 3.5mm audio cable is securely connected to both the headphones and your device.
- Test with a different audio cable if possible.
- Poor Sound Quality:
- For Bluetooth, ensure there are no obstructions between the headphones and your device.
- Try moving closer to your device.
- Check the audio source quality.
Specifications
The following table details the technical specifications of the Bluedio HT Wireless Headphones:
| Feature | Specification |
|---|---|
| Model No. | Bluedio H |
| Bluetooth Version | V5.4 + EDR |
| Supported Profiles | A2DP, AVRCP, HSP, HFP |
| Driver Unit | Ø57mm |
| Speaker Impedance | 16Ω |
| Sensitivity | 118dB |
| Operating Distance | 10m |
| Frequency Response | 20-20KHz |
| THD | <0.1% (THD) |
| Talk Time | up to 45hrs |
| Music Time | up to 40hrs |
| Standby Time | up to 1625hrs |
| Fully Charged Time | about 2hrs |
| Charging Socket | Micro-USB |
| Headset Size | 172×85×182mm |
| Package Size | 213×96×225mm |
| Weight | 300g |
| Battery Capacity | 650mAh |
| Material | Leather, ABS, Plastic, Silica Gel |
| Headphone Pads Material | Synthetic Leather |
| Communication | Wireless+Wired |
| Connectors | 3.5 MM |
| Features | With microphone, Active Noise-Cancellation, Volume Control, Control Button, Sound Isolating |

Detailed technical specifications of the Bluedio HT headphones.
User Tips
Based on common user experiences and questions:
- For optimal sound quality and to avoid signal drops, ensure your connected device is within the 10-meter wireless range.
- If you experience issues with the headband, note that replacement parts like headbands are not typically sold separately by the manufacturer.
- The headphones are versatile and suitable for various activities including gaming, mobile phone use, sports, office work, and studying.
Warranty and Support
For detailed warranty information, troubleshooting beyond this manual, or further support, please refer to the official Bluedio website or the comprehensive user manual PDF.
A full user manual in PDF format is available for download: Bluedio HT User Manual (PDF)





