RUNOLIM WH301A-B
RUNOLIM Hybrid Active Noise Cancelling Headphones
Model: WH301A-B
Introduction
The RUNOLIM Hybrid Active Noise Cancelling Headphones are designed to provide an immersive audio experience with advanced noise reduction capabilities. Featuring Hi-Fi audio, HD microphones, and a long-lasting battery, these headphones are built for comfort and convenience in various environments.
What's in the Box
- USB Type-C Charging Cable
- 3.5mm Audio Cable
- User Manual
- Active Noise Cancelling Headphones
- Packaging Box

The package includes the RUNOLIM headphones, a USB Type-C charging cable, a 3.5mm audio cable for wired use, and a user manual.
Setup
Charging the Headphones
Before first use, fully charge your headphones. Connect the provided USB Type-C charging cable to the headphone's charging port and the other end to a compatible USB power source. A full charge takes approximately 2.5 hours.

The headphones feature a USB-C charging port for convenient and fast charging.
Powering On and Bluetooth Pairing
To power on, press and hold the Multi-function button until the LED indicator flashes blue and red, indicating pairing mode. On your device, enable Bluetooth and select "HIKER AUDIO K1 ANC" (or similar model name) from the list of available devices.

The multi-function button is used to power on the headphones and initiate Bluetooth pairing. The LED indicator will flash to confirm pairing mode.
Wired Connection
For wired use, connect the 3.5mm audio cable to the headphone's audio port and your device's audio jack. Note: Active Noise Cancelling (ANC) function is only available in Bluetooth mode.
Operating Instructions
Button Functions
| Control | Function |
|---|---|
| Multi-function Button | Power On/Off, Play/Pause, Answer/End Call |
| Volume Up / Next Song | Short press for Volume Up, Long press for Next Song |
| Volume Down / Previous Song | Short press for Volume Down, Long press for Previous Song |
| ANC Button | Toggle Active Noise Cancelling / Transparency Mode |

Detailed layout of buttons and ports on the headphone earcup for easy control.
Active Noise Cancelling (ANC) and Transparency Mode
The ANC feature effectively reduces external ambient noise by up to 95%. Press the ANC button to cycle between ANC On, Transparency Mode, and ANC Off. Transparency Mode allows you to hear your surroundings while still enjoying audio.

Hybrid Active Noise Cancellation reduces ambient noises, especially from traffic and airplane engines, by up to 95%.
Making and Receiving Calls
Use the Multi-function button to manage calls. Press once to answer or end a call. The built-in HD microphone clearly captures your voice for calls and voice assistants.
Maintenance
- Clean the ear muffs and headband regularly with a soft, dry cloth.
- Avoid exposing the headphones to extreme temperatures, humidity, or liquids.
- Store the headphones in the provided carrying case when not in use to protect them from dust and damage.
- Do not attempt to disassemble or repair the headphones yourself. Contact customer support for assistance.
Troubleshooting
No Power
Ensure the headphones are fully charged.
Pairing Issues
Make sure the headphones are in pairing mode (flashing blue and red LED).
Disable and re-enable Bluetooth on your device.
Clear the Bluetooth pairing history on your device and try pairing again.
Ensure the headphones are within the 33-foot (10-meter) Bluetooth range.
Poor Sound Quality or Disconnections
Check the distance between the headphones and your device. Reduce obstacles.
Ensure there are no strong electromagnetic interferences nearby.
Try connecting the headphones to a different audio source.
Microphone Issues
Ensure the headphones are connected via Bluetooth, as the microphone is active in wireless mode.
Check your device's audio input settings to ensure the headphone microphone is selected.
Specifications
| Feature | Detail |
|---|---|
| Noise Control | Active Noise Cancellation |
| Frequency Response | 20 KHz |
| Sensitivity | 105 dB |
| Headphones Jack | 3.5 mm Jack |
| Model Name | RUWH301AB-US3 |
| Connectivity Technology | Wireless, Bluetooth 5.3 |
| Wireless Communication Technology | Bluetooth |
| Included Components | Cable, User Manual, USB Type-C Charging Cable, packaging box, An Active Noise Cancelling Headphones |
| Age Range (Description) | Adult |
| Material | Faux Leather |
| Specific Uses For Product | Music, Travel, Sport |
| Charging Time | 2.5 Hours |
| Recommended Uses For Product | Music, Travel |
| Compatible Devices | Cellphones |
| Control Type | Media Control |
| Cable Feature | Detachable |
| Item Weight | 0.26 Kilograms |
| Water Resistance Level | Not Water Resistant |
| Frequency Range | [Approximately] 20 Hz - 20,000 Hz |
| Unit Count | 1.0 Count |
| Style | Modern |
| Control Method | Touch |
| Number of Items | 1 |
| Controller Type | Bluetooth, wireless |
| Battery Life | 3 years |
| Audio Driver Type | Dynamic Driver |
| Bluetooth Range | 10 Meters |
| Bluetooth Version | 5.3 |
| Audio Latency | 250 Milliseconds |
| Audio Driver Size | 40 Millimeters |
| Earpiece Shape | Over Ear |
| Manufacturer | RUNOLIM |
| Product Dimensions | 7.36 x 6.46 x 3.19 inches |
| Item model number | WH301A-B |
| Batteries | 1 Lithium Ion batteries required. |
| Country of Origin | China |
| Color | Black |
| Ear Placement | Over Ear |
| Form Factor | Over Ear |
| Impedance | 32 Ohm |

The headphones feature a foldable design for easy storage and portability, along with adjustable headbands for a comfortable fit.
Warranty & Support
RUNOLIM offers a 1-year warranty for this product. For any questions or issues during use, please feel free to contact RUNOLIM customer support.
For further assistance, please refer to the official RUNOLIM website or the contact information provided in the user manual.
Additional Resources
Official Product Videos
No official seller-created product videos are available at this time. Please refer to the user manual for detailed instructions.
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