Shokz OpenRun Pro 2
User Guide
Models: SHOKZ S820 / SHOKZ S821
Download the Shokz App
The Shokz app allows you to switch EQ modes, connect to two devices simultaneously, upgrade firmware, and more. Download the app now for a simple and seamless audio experience.
*Only for limited regions. Go to https://userguide.shokz.net/openrunpro2 for more information.
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How It Works
Headphone Controls
Line drawing of Shokz OpenRun Pro 2 headphones. One side shows a USB-C charging port and an LED indicator. A magnified view of the other side reveals the Power/Volume + button (marked with '+') and the Volume - button (marked with '-'). The Multifunction Button is visible on the left earcup.
ON/OFF
Line drawing of the right earcup of the Shokz headphones, highlighting the Power/Volume + button with a power symbol and '+' sign.
Turn on the headphones: Press and hold the Power/Volume + Button until the LED Indicator flashes blue.
Turn off the headphones: Press and hold the Power/Volume + Button until the LED Indicator flashes red.
Pairing
Line drawing of Shokz headphones. A Bluetooth symbol ? is shown. A smartphone screen displays Bluetooth settings with 'OpenRun Pro 2 by Shokz' connected.
- Start with your headphones powered off.
- Press and hold the Volume + Button until the LED Indicator flashes red and blue alternately.
- Open your device's Bluetooth settings and select "OpenRun Pro 2 by Shokz."
How to Wear
Illustration showing a person placing the Shokz headphones over their ears. Arrows indicate the correct placement around the head, with transducers resting in front of the ears.
Pick up the headphones, bring them behind the back of the base of your neck, position the earhooks on your ears, then enjoy your music!
*Wearing your headphones the wrong way could cause discomfort. The transducers should rest in front of your ears.
Volume
Line drawing of the right earcup of the Shokz headphones, highlighting the Power/Volume + button (marked with '+') and the Volume - button (marked with '-').
Operate volume controls while audio is playing.
How to change volume: While your audio is playing, adjust headphone volume by pushing either the Volume + or Volume – buttons.
*A "beep" will sound when the volume is at its max.
*Listening with headphones at high volume may affect your hearing and the audio will be distorted.
Multifunction Button
Line drawing of the left earcup of the Shokz headphones, highlighting the Multifunction Button. Icons represent actions: Play/pause music ▶️⏸️ (click once), Next song ⏭️ (double-click), Previous song ⏮️ (triple-click). Call icons represent Answer call ? (click once), End call ? (click once).
Play music | Click once |
Pause music | Click once |
Next song | Double-click while music is playing |
Previous song | Triple-click while music is playing |
Prompt device's voice assistant | Press and hold for 2 seconds |
Answer call | Click once |
End call | Click once |
Reject a call | Press and hold for 2 seconds |
Change the language | Double click while in pairing status (red and blue lights flash alternately) |
Answer a second call and decline the current call | Press and hold for 2 seconds while a second incoming call is ringing. |
Answer a second incoming call and put the current call on hold | Click once while a second incoming call is ringing. |
Switch between two calls | Click once while two calls are active. |
Hanging up on a multiparty call is the current call | Press and hold for 2 seconds while two calls are active |
*Only applicable for phone calls, not online calls
Check Battery Status
Line drawing of the right earcup of the Shokz headphones, highlighting the Power/Volume + button (marked with '+') and the Volume - button (marked with '-').
Operate controls while audio is not playing.
How to check battery status: Click the Volume + or Volume - button while music is paused. Audrey will tell you the battery status.
* "Battery high/Battery medium/Battery low/Charge me"
Extra Features
EQ Modes
Four graphical representations of audio frequency equalization: Standard Mode (balanced bars), Vocal Mode (mid-frequency emphasis), Increase Bass (low-frequency emphasis), Increase Treble (high-frequency emphasis).
- Standard Mode: Balanced frequency, suitable for listening to music on a daily basis.
- Vocal Mode: Enhance the mid frequency, suitable for listening to music while reading e-books and attending online courses.
- Increase Bass: Enhance the low frequency, suitable for listening to music with a strong rhythm in a sports setting.
- Increase Treble: Enhance the high frequency, suitable for listening to elegant, light music while resting.
Switching EQ Modes
Operate controls while music is playing.
How to switch EQ mode: Press and hold both buttons (Power/Volume + Button and Volume - Button) while music is playing until you hear a beep.
*You can also use the Shokz App to change the EQ mode.
Multipoint Pairing
Switch between two devices seamlessly with multipoint pairing.
Line drawing of Shokz headphones. A close-up shows the Power/Volume + button. An audio wave symbol indicates 'Audrey will say "pairing"'. The LED indicator is shown flashing red and blue.
To pair two devices:
- Start with your headphones powered off.
- Press and hold Volume + until Audrey says "pairing" and the LED indicator flashes red and blue alternately.
- Press and hold the multifunction button and Volume + button until the headphones emit a prompt sound.
- Open first device's Bluetooth® menu and select "OpenRun Pro 2 by Shokz."
- Turn your headphones off.
- Re-enter pairing mode by pressing and holding Volume + until Audrey says "pairing" and the LED indicator flashes red and blue alternately.
- Open second device's Bluetooth® menu and select "OpenRun Pro 2 by Shokz."
- Turn your headphones off.
- Turn your headphones on. Your headphones are now connected to both devices.
*You can also use the Shokz App for easy switching between devices.
A smartphone screen displaying Bluetooth settings with 'OpenRun Pro 2 by Shokz' connected, labeled 'First Device'.
A laptop screen displaying Bluetooth settings with 'OpenRun Pro 2 by Shokz' connected, labeled 'Second Device'.
Illustrations of both a smartphone and a laptop, each showing 'OpenRun Pro 2 by Shokz' connected via Bluetooth, indicating successful multipoint pairing.
Turn Multipoint Pairing Off
Line drawing of Shokz headphones. A close-up shows the Power/Volume + button. An audio wave symbol indicates 'Audrey will say "pairing"'. The LED indicator is shown flashing red and blue.
To turn off multipoint pairing:
- Start with your headphones powered off.
- Press and hold Volume + until Audrey says "pairing" and the LED indicator flashes red and blue alternately.
- Press and hold the multifunction button and Volume - button until the headphones emit a prompt sound.
*You can also use the Shokz App for easy switching between devices.
Restore the headphones to factory settings
Line drawing of Shokz headphones. A close-up shows the Power/Volume + button. An audio wave symbol indicates 'Audrey will say "pairing"'. The LED indicator is shown flashing red and blue.
To restore factory settings:
- Start with your headphones powered off.
- Press and hold Volume + until Audrey says "pairing" and the LED indicator flashes red and blue alternately.
- Press and hold the multifunction button / Volume + button / Volume - button until the headphones emit a prompt sound.
Changing Languages
Your headphones have four built-in languages: Chinese, English, Japanese and Korean.
Follow the instruction when headphones powered off.
Line drawing of Shokz headphones. A close-up shows the Power/Volume + button. An audio wave symbol indicates 'Audrey will say "pairing"'. The LED indicator is shown flashing red and blue.
To change the language:
- Start with your headphones powered off.
- Press and hold Volume + until Audrey says "pairing" and the LED indicator flashes red and blue alternately.
- Double-click the multifunction button, then single-click the volume + button. Languages have been switched when you hear the corresponding language.
*You can also use the Shokz App to change the language.
Care and Maintenance
Charging Tips
The headset will automatically shut down when charging.
Two circular diagrams showing the LED indicator on the headphones: one with a red light for 'Charging', and one with a blue light for 'Charging Completed'.
When the headphones are at low battery, there will be a "charge me" prompt and the red light will flash intermittently. Use the corresponding USB-C charging cable for charging.
The LED indicator will turn red during the charging process and the headphones will automatically turn off. The LED indicator will turn from red to blue when charging is complete.
Storage and Maintenance
- Store the headphones in a cool, dry place. The working temperature should be 0~40°C (32-102°F).
- Keep the headphones away from heat sources, combustible gas or other clean/corrosive liquids, keep the headphones away from long-term direct sunlight, or placing in hot places.
- Stop using the headphones immediately if any parts are damaged, smoking, hot, or have a burning smell.
- The headphones' liquid and dust resistance level is IP55. It can be used in non-water sports and exercises and is not fully waterproof. Do not place the headphones in water. IP55 is not a permanent protection rating and may be reduced by normal wear and tear.
- Clean the headphones with a soft dry cloth.
- After storage for a long period, please charge the headphones before using again.
Hearing Loss
Listening with headphones at high volume may affect your hearing and the audio will be distorted. Please do not listen with headphones at high volume for a long time.
Battery
CAUTION
- Replacement of a battery with an incorrect type that can defeat a safeguard.
- Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, that can result in an explosion.
- Leaving a battery in an extremely high temperature surrounding environment that can result in an explosion or the leakage of flammable liquid or gas.
- A battery subjected to extremely low air pressure that may result in an explosion or the leakage of flammable liquid or gas.
- Do not use the battery if it is noticeably expanded.
Charge
- Always confirm that the charging port is dry before connecting the device to the charging cable. Failure to do so could result in increased possibility of short circuit issues, fire or explosion danger.
- Do not charge right after exercising in case there's sweat inside the charging port, which could lead to circuit burning while charging.
- Keep the headphones away from heat sources when charging.
- Only power supplies that have been approved by relevant departments and meet local regulatory requirements (such as UL, CSA, VDE and CCC) shall be used.
Dangers of Driving
Please note that in some countries or regions, it may be illegal to use the headphones while operating any type of vehicle. Please check and comply with the traffic rules or relevant laws and regulations in your area or consult your local regulatory authority.
Skin irritation
- Although rare, some users may experience skin allergies or skin sensitivity when coming into long-term contact with the headphones' outer materials.
- To avoid the risk of an allergic reaction, please do not wear the headphones if you are experiencing skin injuries or irritations on or around the neck, ears, and/or head.
- If you experience any redness of the skin, swelling, or itchiness while wearing the headphones, discontinue use of the headphones immediately and consult a physician.
Notice
Design and specification are subject to change without notice. For the most up-to-date product information, please visit www.shokz.com.
Electromagnetic Interference
- Do not use this product in places where wireless devices are prohibited (such as in airports and local medical facilities, etc.), as it may interfere with other electronic devices or cause other hazards.
- Some electronic devices may fail due to radio interference from this product (e.g., some automotive electronic equipment). Please contact the manufacturer of such electronic devices for more information.
- Radio waves generated by this product may affect the regular operation of some medical devices, such as pacemakers, defibrillators, cochlear implants, hearing aids, etc. If you use any of these medical devices, consult your physician and medical device manufacturer about restrictions on using this product, and keep this product within a safe distance from medical devices. Stop using this product if you suspect interference with your medical devices.
Warranty
Your headphones are covered by a warranty.
Visit our website at https://shokz.com/pages/warranty-landing for details of the limited warranty.
To register your product, download the Shokz App.
*Failure to register will not affect your limited warranty rights.
Troubleshooting
If you have any trouble or problems, please visit https://shokz.com/pages/faq for more support!
What's in the Box
- OpenRun Pro 2 Box*1
- OpenRun Pro 2 headphones*1
- OpenRun Pro 2 Package*1
- OpenRun Pro 2 User Guide*1
- OpenRun Pro 2 Legal Statement*1
- USB-C Charging Cable*1
If any part of your product is damaged or missing, do not use it. Contact authorized Shokz dealer or Shokz customer service.
*Please note that the packaging envelope may vary depending on the sales region.