Introduction
This manual provides comprehensive instructions for the safe and efficient use of your Xiaomi Mi Bluetooth Foldable Headset. Please read this manual thoroughly before operating the device and retain it for future reference.

Figure 1: Front view of the Xiaomi Mi Bluetooth Foldable Headset.
The Xiaomi Mi Bluetooth Foldable Headset is designed for high-quality audio playback and hands-free communication, featuring a foldable design for portability and comfortable over-ear fit.
Package Contents
Ensure all items are present in the package:
- Xiaomi Mi Bluetooth Foldable Headset
- USB Charging Cable
- Ear Cushions (pre-installed)
- Headband (pre-installed)
- User Manual (this document)
Setup
1. Charging the Headset
Before first use, fully charge the headset. A full charge takes approximately 2.5 hours.
- Locate the USB charging port on the headset.
- Connect the supplied USB charging cable to the headset's USB port.
- Connect the other end of the USB cable to a compatible USB power source (e.g., computer USB port, USB wall adapter).
- The indicator light will show charging status (refer to headset's specific LED behavior for full charge indication).

Figure 2: Side view of the headset, highlighting the USB charging port.

Figure 3: Battery specifications including capacity, charge time, and play time.
2. Bluetooth Pairing
Pair your headset with a Bluetooth-enabled device (e.g., smartphone, tablet, computer).
- Ensure the headset is charged and turned off.
- Press and hold the power button on the headset until the indicator light flashes rapidly (usually blue and red), indicating pairing mode.
- On your device, enable Bluetooth and search for available devices.
- Select "Xiaomi Mi Bluetooth Headset" (or similar name) from the list of found devices.
- If prompted for a passcode, enter "0000" (four zeros).
- Once paired, the indicator light on the headset will change (e.g., slow blue flash or solid blue), and your device will confirm the connection.
The headset supports Bluetooth V4.1 with A2DP, AVRCP, HFP, and HSP protocols, offering a wireless range of up to 10 meters without obstacles.
Operating Instructions
1. Power On/Off
- Power On: Press and hold the power button for approximately 3 seconds until the indicator light illuminates.
- Power Off: Press and hold the power button for approximately 5 seconds until the indicator light turns off.
2. Music Playback
- Play/Pause: Press the multi-function button once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
The headset offers up to 10 hours of music playback on a single charge.
3. Call Management
- Answer/End Call: Press the multi-function button once.
- Reject Call: Press and hold the multi-function button for approximately 2 seconds.
- Redial Last Number: Double-press the multi-function button.
The integrated microphone allows for clear hands-free communication. Talk time is approximately 8 hours.
4. Noise Cancelling
The headset features noise cancelling capabilities to reduce ambient sound interference. Refer to the specific button on your headset for activating/deactivating this feature. (Typically a dedicated ANC button or a long press on a volume/multi-function button).

Figure 4: Headset worn for comfortable listening experience.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your headset.
1. Cleaning
- Use a soft, dry, lint-free cloth to wipe the surfaces of the headset.
- For ear cushions and headband (made of PU Leather and Silicone), a slightly damp cloth can be used, but ensure no moisture enters the speaker grilles or charging port.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
2. Storage
- When not in use, store the headset in a cool, dry place, away from direct sunlight and extreme temperatures.
- Utilize the foldable design to store the headset compactly, protecting the earcups and headband.
- Avoid placing heavy objects on the headset.

Figure 5: Design features contributing to comfort and durability, including high-quality PU earcups and silicone headband.
3. Battery Care
- Avoid fully discharging the battery frequently.
- If storing for extended periods, charge the headset to about 50% before storage.
- Do not expose the battery to high temperatures.
Troubleshooting
If you encounter issues with your headset, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on. | Low battery. | Charge the headset fully. |
| Cannot pair with device. | Headset not in pairing mode; device Bluetooth off; too far from device. | Ensure headset is in pairing mode; enable Bluetooth on device; move headset closer to device (within 10m). |
| No sound or poor sound quality. | Volume too low; headset not connected; interference. | Increase volume on headset and device; re-pair the headset; move away from sources of interference. |
| Microphone not working. | Microphone muted on device; headset not selected as audio input. | Check device settings to ensure headset microphone is enabled and selected. |
If the problem persists, please refer to the support section or contact customer service.
Specifications
| Feature | Detail |
|---|---|
| Brand | Xiaomi |
| Model Number | TDLYEJ01JY |
| Type | Over-ear, Headband |
| Material | PU Leather, Silicone |
| Connectivity | Wireless (Bluetooth) |
| Bluetooth Version | V4.1 |
| Bluetooth Protocols | A2DP, AVRCP, HFP, HSP |
| Bluetooth Distance | Up to 10m (W/O obstacles) |
| Driver Unit | 40mm |
| Frequency Response | 20Hz - 40KHz |
| Impedance | 32ohms |
| Sensitivity | 107dB |
| Battery Type | Built-in Li-ion Battery |
| Battery Capacity | 400mAh |
| Music Time | Approx. 10 hours |
| Talk Time | Approx. 8 hours |
| Standby Time | Approx. 40 hours |
| Charging Interface | USB |
| Product Weight | 0.235 kg (235g) |
| Product Dimensions (L x W x H) | 17.00 x 13.00 x 7.00 cm |
| Noise Control | Active Noise Cancellation |
| Microphone | Included |
Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Xiaomi website. Warranty terms and conditions may vary by region.
For technical support, frequently asked questions, or to download the latest drivers/firmware, please visit the official Xiaomi support page or contact their customer service directly.
Official Xiaomi Store: Visit the XIAOMI Store on Amazon





