SHOKZ S820 Review: Open-Ear Audio for Safer Workouts
The SHOKZ S820 OpenRun Pro 2 delivers solid, awareness-friendly audio for athletes and active users, balancing sound quality with environmental awareness through its dual-driver bone conduction design.
Designed for active lifestyles where situational awareness is as critical as motivation, the SHOKZ S820, known commercially as the OpenRun Pro 2, redefines the open-ear headphone category. These bone conduction headphones cater specifically to runners, cyclists, and fitness enthusiasts who demand a secure fit and clear audio without sacrificing their connection to the outside world. In our analysis of its specifications and extensive user feedback, the SHOKZ S820 presents a compelling package for those who prioritize safety and comfort during physical activity.

By combining bone and air conduction technologies, the SHOKZ S820 aims to offer a premium sound experience that traditional open-ear designs often lack. Its lightweight, titanium-reinforced frame promises a stable fit for dynamic movement, backed by an IP55 rating for sweat and weather resistance. This review analyzes the SHOKZ S820’s design, performance, and real-world usability based on its published specifications and aggregated owner experiences to determine if it lives up to its promise as the ideal audio companion for the active user.
SHOKZ OpenRun Pro 2 Bone Conduction Open-Ear Sport
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SHOKZ S820 at a Glance
| Specification | Details |
|---|---|
| Model Name | OpenRun Pro2 |
| Driver Type | Dual (Bone Conduction & Air Conduction) |
| Battery Life | 12 hours |
| Water Resistance | IP55 (Water Resistant) |
| Weight | 30.3 grams |
| Connectivity | Bluetooth |
| Frequency Range | 20 Hz – 20,000 Hz |
| Key Feature | Open-Ear Awareness Design |
| Warranty | 2 Years |
Design and Build
The SHOKZ S820 is engineered around a unibody frame that integrates a nickel-titanium alloy memory wire, a material choice central to its performance. This Ni-Ti alloy provides the necessary flexibility and shape retention to ensure the headphones maintain a secure, ergonomic fit around the back of the head and over the ears. The overall weight-optimized design results in a remarkably light 30.3-gram package, a critical factor for comfort during long runs or extended wear.
Durability is addressed with an IP55 water resistance rating, indicating protection against limited dust ingress and low-pressure water jets from any direction. This makes the S820 suitable for use in the rain and during sweaty workouts. The construction uses a combination of plastic, silicone, and the aforementioned titanium alloy, focusing on resilience without adding bulk. The included hard-shell carrying case offers further protection during transport, a detail appreciated by users who travel with their gear. For more insights on durable tech gear built for active use, explore our dedicated Tech Gear section.
Performance and Features
Audio Quality and Dual Driver System
The standout feature of the SHOKZ S820 is its DualPitch technology, which utilizes two distinct driver types. A bone conduction driver is responsible for transmitting clear mid and high frequencies directly through the cheekbones, while an integrated air conduction driver is dedicated to producing deeper bass tones. This combination aims to create what SHOKZ describes as “powerful, 3D audio.” The frequency response ranges from 20 Hz to 20,000 Hz, covering the full spectrum of human hearing. It’s important to note that the open-ear design inherently allows ambient environmental sound to mix with playback, which is the intended safety feature but can affect perceived audio clarity in very noisy settings like next to heavy traffic.
Connectivity and Battery
Connectivity is handled via Bluetooth, with compatibility listed for Android, iPhone, Mac, PC, and smartwatches. The manufacturer provides specific guidance for pairing with multiple devices, involving a sequence of button holds to enter a special pairing mode for a second connection. The advertised battery life is 12 hours on a single charge, with support for quick charging that provides several hours of playback from just a few minutes of charging. The exact quick-charge specifications are not detailed in the provided data. The device charges via a USB-C port.
Smart Features and Controls
Beyond basic playback, the SHOKZ S820 includes strategically positioned dual microphones designed to be wind-resistant. They are supported by an AI noise reduction algorithm that claims to filter out 96.5% of background noise, including wind at speeds up to 15 miles per hour, aiming for crystal-clear call quality. Physical controls on the headset allow for play/pause, track skipping, and call management. For finer audio control, the companion Shokz App unlocks dedicated EQ modes, including a “Classic Mode” for pure bone conduction sound and a “Volume Boost Mode” for noisier environments. Switching between these modes can also be done manually via a button combination on the headphones themselves.
Setup, Support and Ownership
Initial setup is straightforward, following standard Bluetooth pairing procedures. The manufacturer provides clear instructions in the user manual for more advanced functions like multi-device pairing and EQ mode switching. Support is backed by a two-year warranty, and user reviews highlight positive experiences with SHOKZ customer service, even citing instances of support being honored outside the standard warranty period. Ownership is simplified by the durable build and included accessories like the carrying case and reflective stickers for added visibility during low-light activities.
For maintenance, the manufacturer advises users to gently shake off excess moisture and wipe the speaker mesh with a dry cloth if the headphones get wet from rain or sweat, then let them air dry. There is no mention of user-replaceable batteries or other components, suggesting that the product is intended as a sealed unit for its lifecycle. Software updates, if any, would be delivered through the Shokz App, though specific update policies or feature roadmaps are not detailed in the available data.
What Owners Say
Owner feedback for the SHOKZ S820 is overwhelmingly positive, with a high rating predominantly driven by five-star reviews. Users consistently praise the comfort and secure fit, with many noting they can wear the headphones for hours during caregiving, work, or long workouts without discomfort. The open-ear design is celebrated for allowing users to remain aware of their surroundings, which is repeatedly cited as a critical safety feature for cycling and running.
Reviewers describe the sound quality as excellent for music and clear for phone calls, with specific mention of improved depth over previous SHOKZ models. The battery life and quick charging also receive frequent commendation. The most common critique noted in lower-star reviews relates to the challenge of hearing spoken-word content like podcasts in very loud environments, such as near power tools or heavy traffic, where ambient sound naturally overpowers the audio. This, however, is an inherent trade-off of the open-ear design that prioritizes awareness. For expert analysis on other audio products, check out our roundup of the Best Soundbars.
Pros and Cons
Pros
- Superior situational awareness with open-ear design
- Secure and exceptionally comfortable fit for long periods
- Solid audio quality with good bass for bone conduction
- Long battery life with quick-charge capability
- Effective wind noise reduction for clear calls
- IP55 rating for sweat and weather resistance
Cons
- Audio can be drowned out in extremely loud environments
- Maximum volume may require device-level settings adjustments
- Some audio customization features require a companion app
- Sound quality differs from traditional in-ear isolation
- Not suitable for users seeking complete noise cancellation
- Open design means audio is not entirely private
Who Should Buy It (and Who Should Skip It)
The SHOKZ S820 is an ideal choice for outdoor athletes like runners and cyclists who must hear traffic, trail hazards, and other people for safety. It’s equally well-suited for professionals, such as caregivers or warehouse workers, who need to stay connected via calls or audio while keeping their ears open to their environment. Anyone who experiences discomfort from in-ear headphones or wants a stable fit during high-movement activities will find its design advantageous.
Conversely, these headphones should be skipped by users whose primary goal is immersive, high-fidelity audio in quiet settings or complete noise isolation in loud ones. Audiophiles seeking the deepest bass and pristine detail will find the audio profile different from traditional headphones. Similarly, office workers in quiet cubicles who don’t need environmental awareness might prefer more conventional earbuds or over-ear models for a more private listening experience. For those focused on immersive home theater audio, our reviews of the Best Ultra-Wide Monitors cover complementary display technology.
Final Verdict
The SHOKZ S820 OpenRun Pro 2 successfully executes its core mission: providing reliable, hands-free audio without isolating the user from their surroundings. Its dual-driver system represents a meaningful step forward in bone conduction audio quality, offering richer sound than earlier generations while maintaining the signature safety benefits of the open-ear design. The combination of a secure, featherlight fit, robust battery life, and practical durability makes it a highly functional tool for an active lifestyle.
While it cannot compete with noise-canceling earbuds for pure audio immersion, that is not its purpose. The SHOKZ S820 excels as a situational-awareness device that also delivers enjoyable audio. For runners, cyclists, busy professionals, and anyone who values hearing their environment as much as their playlist, the SHOKZ S820 stands out as a top-tier choice, backed by strong user satisfaction and a thoughtful feature set tailored to movement and safety.
FAQs
How can I increase the volume on my OpenRun Pro 2?
To achieve maximum volume, you may need to adjust settings on your connected device. For iPhones, disable “Reduce Loud Audio” in the Sounds & Haptics settings under Headphone Safety. On Samsung devices, disable the “Media Volume Limit” in the Volume settings. For other Android phones, enabling “Absolute Volume” in the Bluetooth settings can help. Alternatively, you can enable the “Volume Boost” EQ mode within the Shokz App.
How do I pair the SHOKZ S820 with multiple devices?
Start with the headphones powered off. Press and hold the Volume + button until the LED flashes red and blue, then press the Multifunction button and Volume + button together to enter multi-point pairing mode. Connect your first device, then turn the headphones off. Repeat the process to pair your second device. Once both are paired, the headphones should automatically connect to both when powered on.
Are the SHOKZ S820 headphones good for making calls?
Yes, according to manufacturer specifications and user reviews, the call quality is a strong point. The dual wind-resistant microphones, combined with an AI noise reduction algorithm, are designed to filter out 96.5% of background noise, including wind up to 15 mph. Owners frequently report that callers hear them clearly, even in moderately noisy outdoor environments.
What should I do if the headphones get wet from sweat or rain?
The IP55 rating means they can handle sweat and rain. If they get wet, gently shake the headphones from different angles to remove excess moisture. Then, wipe the speaker mesh areas with a dry cloth or tissue. Finally, allow them to air-dry thoroughly in a well-ventilated area for a few hours before using or charging them again.