1. Introduction
Welcome to the SHOKZ OpenFit 2+ T921 Open-Ear Headphones user manual. This guide provides detailed instructions on how to set up, operate, maintain, and troubleshoot your new headphones. Please read this manual carefully before use to ensure optimal performance and longevity of your device.
The OpenFit 2+ features an open-ear design for situational awareness, Dolby Audio for rich sound, AI-powered call clarity, and IP55 water resistance, making them suitable for various activities.
2. What's in the Box
Ensure all items are present and in good condition. If any items are missing or damaged, please contact your retailer.
SHOKZ OpenFit 2+ Headphones (1 pair) and Charging Case (1 unit)
USB-C Charging Cable (1 unit)
User Manual (1 unit) and Warranty Card (1 unit)
Note: The packing list image (page 32 of OCR) shows a paper pulp packaging box, headphones, portable bag, user manual, warranty card, and USB-C charging cable. The images above represent the core components.
3. Product Overview
Familiarize yourself with the different parts of your OpenFit 2+ headphones:
4. Setup
4.1. Power On/Off
- To Power On: Press and hold the Power/Volume+ button until the blue light flashes.
- To Power Off: Press and hold the Power/Volume+ button until the red light flashes.
4.2. Pairing
To pair your OpenFit 2+ headphones with a device:
- Ensure the headphones are powered off.
- Press and hold the Power/Volume+ button. Do not release.
- Continue holding 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 confirmation tone will sound once connected.
4.3. Wearing the Headphones
For optimal comfort and sound quality, wear the headphones correctly:
- Separate the earbuds with both hands.
- Position the headphones so they fit comfortably around your ears.
- The sound-emitting part of the headphones should be in front of your ears, not inserted into the ear canal.
4.4. Shokz App Installation
Download the Shokz App to customize your listening experience, enable multipoint pairing, and receive firmware updates.
5. Operating Instructions
5.1. Volume Control
Adjust the volume during audio playback:
- Press the Volume+ button to increase volume.
- Press the Volume- button to decrease volume.
Note: To protect your hearing, SHOKZ will provide a "beep" prompt when the volume reaches its maximum. Listening at excessive volumes may damage your hearing and distort sound.
5.2. Multifunction Button
The multifunction button controls various features:
| Function | Action |
|---|---|
| Play/Pause Music | Single click |
| Next Song | Double click during music playback |
| Previous Song | Triple click during music playback |
| Answer Call | Single click when a call comes in |
| End Call | Single click during a call |
| Reject Call | Long press |
| Voice Assistant | Long press for 2 seconds |
| Switch Prompt Tone Language | Double click the multifunction button in pairing mode (red and blue lights flashing alternately) |
| Answer Second Call & Hang Up First Call | Long press the multifunction button for 2 seconds when a second call comes in |
| Answer Second Call & Keep First Call | Single click the multifunction button when a second call comes in |
| Switch Between Held Calls | Single click the multifunction button during multi-party calls |
| Hang Up Current Call During Multi-Party Call | Long press the multifunction button for 2 seconds during multi-party calls |
Note: Call-related functions apply only to phone calls, not third-party voice or video calls.
5.3. Checking Battery Level
To check the battery level when the headphones are idle and no audio is 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", or "Please Charge".
5.4. EQ Modes
The OpenFit 2+ offers different EQ modes to enhance your listening experience:
- Standard Mode: Balanced frequency bands, suitable for daily music listening.
- Vocal Mode: Enhanced mid-range frequencies, ideal 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 elegant light music.
Switching EQ Modes:
While audio is playing, press and hold both the Power/Volume+ button and the Volume- button simultaneously for 3 seconds. The headphones will announce the mode change. You can also switch EQ modes conveniently using the Shokz App.
5.5. Multipoint Pairing (Dual Device Connection)
The OpenFit 2+ can connect to two Bluetooth devices simultaneously, allowing for seamless switching between them.
Enabling Dual Device Connection:
- Ensure the headphones are powered off.
- Press and hold the Power/Volume+ button until the red and blue lights flash alternately, indicating pairing mode. The voice prompt will say "Pairing".
- Simultaneously press and hold the Multifunction button and the Power/Volume+ button until the headphones emit a prompt tone.
- Open the Bluetooth settings on your first device and select "OpenRun Pro 2 by Shokz" to connect.
- Power off the headphones.
- Re-enter pairing mode by pressing and holding the Power/Volume+ button until the red and blue lights flash alternately.
- Open the Bluetooth settings on your second device and select "OpenRun Pro 2 by Shokz" to connect.
- Power on the headphones by long-pressing the Power/Volume+ button. The headphones will automatically connect to both devices, and a prompt tone will confirm.
You can also use the Shokz App for convenient dual device switching.
Disabling Dual Device Connection:
- Ensure the headphones are powered off.
- Press and hold the Power/Volume+ button until the red and blue lights flash alternately, indicating pairing mode. The voice prompt will say "Pairing".
- Simultaneously press and hold the Multifunction button and the Volume- button until the headphones emit a prompt tone. This will disable multipoint pairing.
6. Maintenance
6.1. Charging
When the battery is low, the headphones will prompt "Please Charge" and the red indicator light will flash intermittently. To charge:
- Connect the provided USB-C charging cable to the charging port on the headphones.
- During charging, the LED indicator light will be red, and the headphones will automatically power off.
- Once charging is complete, the indicator light will turn blue.
Note: Keep the charging port dry. Do not charge in humid conditions. A quick 10-minute charge delivers 2 hours of playtime.
6.2. Storage and Care
- Store the product in a cool, dry place. The operating temperature range is 0°C to 40°C.
- Keep the product away from heat sources, flammable gases, or corrosive liquids. Avoid prolonged exposure to direct sunlight or high-temperature environments.
- If any part of the product is damaged, smoking, overheating, or emitting a burning smell, stop using it immediately.
- The headphone part of this product has an IP55 dust and splash resistance rating. It is suitable for non-aquatic sports and exercise but is not fully waterproof. Do not immerse the headphones in water. The IP55 rating is not permanent and may decrease with normal wear and tear.
- Clean the headphones with a soft, dry cloth.
- If stored for a long time, recharge the headphones before use.
Warning:
To avoid the risk of explosion, fire, or toxic chemical leakage, do not disassemble the product or replace, deform, or destroy the battery.
7. Troubleshooting
If you encounter issues with your OpenFit 2+ headphones, try the following solutions:
- Headphones not powering on: Ensure the headphones are charged. Connect them to the charger and check the indicator light.
- Unable to pair: Make sure the headphones are in pairing mode (red and blue lights flashing alternately). Check your device's Bluetooth settings and ensure it's discoverable. Try restarting both the headphones and your device.
- No sound or poor sound quality: Check the volume levels on both the headphones and your connected device. Ensure the headphones are correctly positioned on your ears. Try switching EQ modes.
- Intermittent connection: Ensure you are within the Bluetooth range of your device. Avoid obstacles that might interfere with the signal.
- Factory Reset: If issues persist, you can perform a factory reset. Ensure the headphones are powered off. Press and hold the Power/Volume+ button until the red and blue lights flash alternately. Then, simultaneously press and hold the Multifunction button, Power/Volume+ button, and Volume- button until the headphones emit a prompt tone. This will reset the headphones to their original settings.
8. Specifications
| Feature | Specification |
|---|---|
| Brand Name | SHOKZ |
| Model | Shokz Openfit 2+ |
| Category | Earphones & Headphones |
| Material | Plastic |
| Weight | 75g (total package weight, individual earbud is 9.4g) |
| Communication | Wireless |
| Wireless Type | Bluetooth |
| Bluetooth Version | Bluetooth V5.4 |
| Connectors | Type-C |
| Charging Method | Wireless (for case) |
| Battery Life (single charge) | Up to 11 hours |
| Total Playtime (with charging case) | Up to 48 hours |
| Features | Waterproof, With microphone, Dolby Audio Enabled |
| Waterproof Rating | IP55 |
| With Microphone | Yes |
| Support APP | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Air Vocalism Principle |
| Codecs | AAC, sbc |
| Origin | Mainland China |
9. User Tips
- The Shokz App is highly recommended for customizing settings, including language and EQ modes, and for firmware updates.
- Bluetooth pairing is generally quick and stable.
- The multipoint pairing feature is very convenient for switching between two connected devices (e.g., phone and laptop).
- Sound quality is often praised for its clarity.
- While the open-ear design is comfortable for many, individual comfort may vary, especially with prolonged use.
- The charging case is noted to be quite large by some users.
10. Warranty and Support
Your SHOKZ OpenFit 2+ T921 headphones come with a warranty. To register your product and for warranty details, please download the Shokz App. Product registration does not affect your warranty rights.
For any issues or support, please contact SHOKZ customer service:
- Customer Service Hotline: 400-0988-688
- Website: Visit www.shokz.com.cn for the latest company and product information.
Note: Design and specifications are subject to change without prior notice.