1. Product Overview
The Shokz OpenRun Pro 2 are open-ear bone conduction sports headphones designed for comfort, safety, and high-quality audio during physical activities. They feature Shokz DualPitch™ technology for enhanced sound and an IP55 water-resistant rating, making them suitable for various environments.
Figure 1: Headphone Components (USB-C charging port, indicator light, power/volume+ button, volume- button, multi-function button)
Package Contents
Figure 2: Package Contents
- OpenRun Pro 2 Headphones (S820 or S821) x 1
- Portable Carrying Case x 1
- USB-C Charging Cable x 1
- User Guide x 1
- Warranty Card x 1
If any items are missing or damaged, please contact your dealer or Shokz customer support.
2. Setup
2.1 Charging
Before first use, fully charge your headphones. The headphones will automatically turn off during charging.
Figure 3: Charging Process
- Connect the USB-C charging cable to the charging port on the headphones.
- Connect the other end of the cable to a USB power source.
- The LED indicator light will be red during charging.
- Once charging is complete, the LED indicator light will turn blue.
When the battery is low, the headphones will prompt "Charge Me" and the red indicator light will flash intermittently.
2.2 Power On/Off
Figure 4: Power Button Location
- Power On: Press and hold the Power/Volume+ button until the blue light flashes.
- Power Off: Press and hold the Power/Volume+ button until the red light flashes.
2.3 Pairing
Figure 5: Pairing Mode and Device Selection
- Ensure the headphones are powered off.
- Press and hold the Power/Volume+ button until the indicator light flashes red and blue alternately. The headphones are now in pairing mode.
- On your device (smartphone, tablet, computer), open the Bluetooth settings.
- Select "OpenRun Pro 2 by Shokz" from the list of available devices.
- A voice prompt will confirm successful pairing.
2.4 Wearing the Headphones
Figure 6: Correct Wearing Position
Separate the headphones with both hands and place them around your head so that the transducers rest on your cheekbones, just in front of your ears. The neckband should rest comfortably at the back of your neck. Ensure a snug but comfortable fit for optimal sound and stability.
Note: Incorrect wearing may cause discomfort. The sound-producing part of the headphones should be in front of your ears, not inserted into them.
2.5 Shokz App
Download the Shokz App for additional features, sound customization, dual device connection management, and firmware updates.
Figure 7: Shokz App Download QR Codes
Scan the QR code with your phone's browser to download the app. The app allows you to define your music experience and enjoy a more convenient user experience.
3. Operation
3.1 Controls
The headphones feature volume buttons and a multi-function button for various operations.
Figure 8: Volume Controls
- Volume Up (+): Press the Volume+ button.
- Volume Down (-): Press the Volume- button.
Note: To protect your hearing, Shokz will provide a "beep" prompt at maximum volume. Prolonged listening at high volumes may damage your hearing and distort sound.
Figure 9: Multi-function Button
| Function | Operation |
|---|---|
| Play/Pause Music | Single click Multi-function button |
| Next Song | Double click Multi-function button during music playback |
| Previous Song | Triple click Multi-function button during music playback |
| Answer Call | Single click Multi-function button when a call comes in |
| End Call | Single click Multi-function button during a call |
| Reject Call | Long press Multi-function button |
| Voice Assistant | Long press Multi-function button for 2 seconds |
| Switch Voice Prompt Language | Double click Multi-function button during pairing (red and blue flashing light) |
| Answer 2nd call & hang up 1st call | Long press Multi-function button for 2 seconds when 2nd call comes in |
| Answer 2nd call & keep 1st call | Single click Multi-function button when 2nd call comes in |
| Cycle through held calls | Single click Multi-function button during multi-party call |
| Hang up current call during multi-party call | Long press Multi-function button for 2 seconds during multi-party call |
*Call-related functions apply only to phone calls, not third-party voice or video calls.
3.2 Checking Battery Level
You can check the battery level when the headphones are in standby mode and no audio is playing.
Figure 10: Battery Check Operation
In standby mode, with no audio playing, single click either the Power/Volume+ button or the Volume- button. The headphones will announce the battery status: "Battery High" / "Battery Medium" / "Battery Low" / "Charge Me".
3.3 EQ Modes
The OpenRun Pro 2 offers different EQ modes to optimize your listening experience for various scenarios.
Figure 11: EQ Mode Icons
- Standard Mode: Balanced frequency response, suitable for daily music listening.
- Vocal Mode: Enhanced mid-range, suitable for audiobooks, online courses, and podcasts.
- Bass Boost: Enhanced low frequencies, suitable for sports scenarios with rhythmic music.
- Treble Boost: Enhanced high frequencies, suitable for relaxing scenarios with light music.
Switching EQ Modes
Ensure the headphones are playing audio. Press and hold both the Power/Volume+ button and the Volume- button simultaneously for 3 seconds. The headphones will announce the new EQ mode. Release the buttons to confirm the switch.
You can also conveniently switch EQ modes using the Shokz App.
3.4 Multipoint Pairing (Dual Device Connection)
The headphones can connect to two Bluetooth devices simultaneously, allowing for seamless switching between them.
Figure 12: Dual Device Connection
Enabling Dual Device Connection
- Ensure the headphones are powered off.
- Press and hold the Power/Volume+ button until the indicator light flashes red and blue alternately (pairing mode). A voice prompt will say "Pairing".
- Press and hold the Multi-function button and the Power/Volume+ button simultaneously until the headphones emit a prompt tone.
- On your first device, open Bluetooth settings and select "OpenRun Pro 2 by Shokz" to connect.
- Power off the headphones.
- Re-enter pairing mode (Step 2).
- On your second device, open Bluetooth settings and select "OpenRun Pro 2 by Shokz" to connect.
- Power on the headphones. They will automatically connect to both devices with a prompt tone.
You can also manage dual device connections conveniently using the Shokz App.
Disabling Dual Device Connection
- Ensure the headphones are powered off.
- Press and hold the Power/Volume+ button until the indicator light flashes red and blue alternately (pairing mode). A voice prompt will say "Pairing".
- Press and hold the Multi-function button and the Volume- button simultaneously until the headphones emit a prompt tone. This will disable dual device connection.
3.5 Voice Prompt Language Switching
The headphones have four built-in voice prompt languages: Chinese, English, Japanese, and Korean.
- Ensure the headphones are powered off.
- Press and hold the Power/Volume+ button until the indicator light flashes red and blue alternately (pairing mode). A voice prompt will say "Pairing".
- Double click the Multi-function button, then single click the Power/Volume+ button. The language will switch to the corresponding option.
You can also conveniently switch the headphone voice prompt language using the Shokz App.
4. Maintenance
4.1 Cleaning and Storage
- Store the product in a cool, dry place. The operating temperature is 0~40°C.
- Keep the product away from heat sources, flammable gases, or other cleaning/corrosive liquids. Avoid prolonged exposure to direct sunlight or high-temperature environments.
- Clean the headphones with a soft, dry cloth.
4.2 Water Resistance
The headphone components are IP55 rated for dust and water splash resistance. This means they are suitable for non-aquatic sports and workouts. Do not immerse the headphones in water. The IP55 rating is not permanent and may decrease with normal wear and tear.
4.3 Battery Care
- If the product has been stored for a long time, recharge it before use.
4.4 Important Safety Information
If any part of the product is damaged, smoking, overheating, or emits a burning smell, stop using the product immediately.
WARNING: To avoid the risk of explosion, fire, or toxic chemical leakage, do not disassemble, replace, deform, or destroy the battery or product.
5. Troubleshooting
If you encounter issues, try the following steps:
- Headphones not powering on: Ensure the headphones are charged.
- Headphones not pairing: Ensure the headphones are in pairing mode (red and blue flashing light) and within range of your device. Try restarting both the headphones and your device.
- No sound: Check the volume level on both the headphones and your connected device. Ensure the headphones are correctly paired.
- Poor sound quality: Ensure the transducers are positioned correctly on your cheekbones. Try switching EQ modes.
- Connectivity issues: If using multipoint pairing, ensure both devices are within range. Try disabling and re-enabling dual device connection.
- Factory Reset: If persistent issues occur, you can perform a factory reset. Ensure the headphones are powered off. Press and hold the Power/Volume+ button until the indicator light flashes red and blue alternately (pairing mode). Then, press and hold the Multi-function button, Power/Volume+ button, and Volume- button simultaneously until the headphones emit a prompt tone. This will reset the headphones to factory settings.
6. Specifications
| Feature | Specification |
|---|---|
| Model | OpenRun Pro 2 (S820), OpenRun Pro 2 Mini (S821) |
| Vocalism Principle | Bone Conduction |
| Material | Plastic |
| Communication | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Codecs | SBC |
| Battery Life | Up to 12 hours |
| Charging Method | Cable (Type-C) |
| Waterproof Rating | IP55 (Sweat & Water Resistant) |
| With Microphone | Yes |
| Support APP | Yes |
| Control Button | Yes |
| Volume Control | Yes |
| Weight | 30.3g |
| Band Size (Standard) | 20cm |
| Band Size (Mini) | 17.9cm |
Design and specifications are subject to change without notice. For the latest company and product information, please visit www.shokz.com.cn.
7. Warranty & Support
Your purchased headphones come with a warranty. To register your product and for more information, please download the Shokz App. Product registration is not mandatory and does not affect your warranty.
For any issues or support, please contact the Shokz after-sales service hotline: 400-0988-688.
You can also scan the QR code below for immediate after-sales service:
Figure 13: After-Sales Service QR Code
For the user manual in PDF format, please refer to the official Shokz website or the link provided by the seller: Shokz OpenRun Pro 2 User Manual (PDF)
8. User Tips
- App for Customization: Download the Shokz app to easily change voice prompt languages, switch EQ modes, and manage multipoint pairing.
- Choosing the Right Size: The OpenRun Pro 2 comes in Standard (S820) and Mini (S821) sizes. The Mini version is designed for smaller head sizes or a tighter fit. It is recommended to measure your head as indicated online to ensure the best fit.
- Authenticity: Always ensure you purchase from authorized sellers to receive original Shokz products and benefit from the manufacturer's warranty.
- Included Case: The headphones come with a protective carrying case, which is useful for storage and transport.
- Comfort and Stability: The ergonomic design provides a secure fit, making them ideal for various sports and activities without slipping.