Introduction
Thank you for choosing the HOCO W45 Wireless Headphone. This manual provides essential information for setting up, operating, and maintaining your new headphones. Please read it carefully to ensure optimal performance and longevity of your device.

Package Contents
Please check the box for the following items:
- HOCO W45 Wireless Headphone
- User Manual (this document)
- Charging Cable

Setup
1. Charging the Headphones
- Connect the provided charging cable to the charging port on the headphone.
- Connect the other end of the charging cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The indicator light will show the charging status. A full charge takes approximately 2 hours.
- Once fully charged, disconnect the charging cable.
2. Powering On/Off
- Power On: Press and hold the Power button until the indicator light flashes.
- Power Off: Press and hold the Power button until the indicator light turns off.
3. Bluetooth Pairing
The HOCO W45 uses Bluetooth 5.3 for a stable wireless connection.
- Ensure the headphones are powered off.
- Press and hold the Power button for a few seconds until the indicator light flashes rapidly, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "HOCO W45" from the list of found devices.
- Once connected, the indicator light on the headphones will change (e.g., slow flash or solid blue), and you may hear a confirmation tone.
4. Language Prompt Tone
To switch the prompt tone language between English and Chinese, double-click the power button when the headphones are in an unpaired state (i.e., in pairing mode or powered on but not connected to a device).
Operating Instructions
1. Control Buttons

The headphones feature control buttons for easy management of audio and calls:
- Power Button: Power on/off, enter pairing mode, language switch (unpaired state).
- Volume Up (+): Increase volume.
- Volume Down (-): Decrease volume.
- Multi-function Button (often integrated with Power or a separate button): Play/pause music, answer/end calls.
2. Music Playback
- Play/Pause: Press the Multi-function button once.
- Next Track: Press and hold Volume Up (+) (or double-press, depending on specific implementation).
- Previous Track: Press and hold Volume Down (-) (or triple-press, depending on specific implementation).
- Volume Adjustment: Press Volume Up (+) or Volume Down (-) briefly.
3. Call Management
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button.
- Redial Last Number: Double-press the Multi-function button (when not on a call).
4. AUX Mode
The HOCO W45 supports AUX mode for wired connection:
- Connect a 3.5mm audio cable (not included) to the AUX port on the headphones.
- Connect the other end of the audio cable to your audio source's 3.5mm jack.
- The headphones will automatically switch to AUX mode. Note that controls on the headphones may be limited in AUX mode, and you will typically control playback and volume from your connected device.
Maintenance
Cleaning
- Wipe the headphones with a soft, dry, lint-free cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Avoid getting moisture into any openings.
Storage
- When not in use, store the headphones in a cool, dry place, away from extreme temperatures and direct sunlight.
- The headphones are foldable for compact storage.

Battery Care
- Charge the battery fully before first use.
- Avoid completely draining the battery frequently, as this can reduce its lifespan.
- If storing for an extended period, charge the headphones to about 50% every few months.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones won't turn on | Low battery | Charge the headphones fully. |
| Cannot pair via Bluetooth | Headphones not in pairing mode / Device Bluetooth off | Ensure headphones are in pairing mode (rapid flashing light). Turn on Bluetooth on your device and search again. |
| No sound | Volume too low / Incorrect audio source / Loose AUX cable | Increase headphone and device volume. Check if connected to the correct Bluetooth device or if AUX cable is fully inserted. |
| Poor sound quality | Out of range / Interference | Move closer to your Bluetooth device (within 10m). Avoid strong electromagnetic interference. |
| Language prompt is incorrect | Wrong language selected | Double-click the power button in an unpaired state to switch between English and Chinese. |
Specifications
| Feature | Specification |
|---|---|
| Brand Name | HOCO |
| Model | W45 |
| Communication | Wireless (Bluetooth) |
| Wireless Type | Bluetooth 5.3 |
| Maximum Wireless Range | <10m |
| Style | Headphone (Over-ear) |
| Material | ABS |
| Vocalism Principle | Dynamic |
| Number Of Drivers | 2 |
| Driver Diameter | 40mm |
| Impedance Range | up to 32 Ω (32Ω) |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 98dB |
| Active Noise-Cancellation | No |
| Sound Isolating | No |
| With Microphone | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Battery Capacity | 400mAh |
| Charging Method | Cable |
| Charging Time | 2 hours |
| Use Time (Music/Call) | 46 hours |
| Standby Time | 200 hours |
| Dimensions (L*W*H) | 190*169*80mm |
| Weight | 163g |
| Supported Modes | Bluetooth, AUX |
| Functions | For Internet Bar, Video Game, Common Headphone, Mobile Phone, HiFi Headphone, Sport, Outdoor |
User Tips
- Initial Charge: Always fully charge your headphones before the first use to optimize battery health.
- Comfortable Fit: Adjust the headband and earcups for a snug yet comfortable fit. A good seal around your ears can significantly improve sound quality and passive noise isolation.
- Language Switching: If you accidentally change the voice prompt language, remember to double-click the power button while the headphones are unpaired to cycle through the available languages (English/Chinese).
- Portability: Utilize the foldable design for easy storage and transport, protecting your headphones when not in use.
Warranty and Support
HOCO products are manufactured to high-quality standards. For warranty information and support, please refer to the specific terms provided at the point of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.
For further assistance, please contact HOCO customer support through their official channels.