The Sony Reon Pocket Pro is a wearable personal air conditioner that clips to your collar and uses a Peltier thermoelectric module to cool or heat your body without affecting the room temperature. Sony launched the new version today with improvements over its Reon Pocket 5 predecessor: 34 hours of battery life in Quiet mode (versus 28 hours), a 10% slimmer profile, quieter operation at 29dB, and an AI-powered auto-mode that adjusts cooling or heating based on your body temperature, heart rate, and activity level. Priced at £149 in the UK and $199 in the US, the Reon Pocket Pro targets commuters, office workers, and athletes who want personal climate control without blasting air conditioning across an entire space.
Key Takeaways
- Sony Reon Pocket Pro cools up to 13°C below ambient temperature and offers four heating levels via Peltier thermoelectric technology.
- Battery lasts 34 hours in Quiet cooling mode; charges fully in 2.5 hours via USB-C.
- AI auto-mode uses skin temperature, heart rate, and motion sensors to adjust cooling or heating automatically during activity.
- Weighs 153g, clips magnetically to collar, and comes in black or white with dual fans delivering up to 2,100cc/min airflow.
- Competitors like Torras Coolify 2S offer stronger cooling but are bulkier; Embr Wave 2 focuses on thermal sensation rather than active cooling.
Why Sony Reon Pocket Pro Matters Right Now
Wearable personal climate control sounds niche until you sit in a sweltering commute or an over-air-conditioned office. The Sony Reon Pocket Pro solves a real problem: your comfort zone and everyone else’s rarely align. Unlike room air conditioning, which wastes energy cooling or heating entire spaces, a pocket-sized device targets only your body. The new AI auto-mode is the meaningful leap here—it learns your preferences and adjusts without manual tweaking, making the device smarter for real-world use than previous versions that required constant manual adjustment.
The timing matters. Global summer temperatures are climbing, and personal cooling devices are shifting from novelty to practical gear. Sony has iterated on this concept since 2020, and the Pro version reflects five generations of refinement. The 34-hour battery claim in Quiet mode is the headline stat, but the real win is that quieter operation (29dB) means you can wear it without sounding like a tiny fan is strapped to your neck—which was a legitimate complaint about earlier models.
Sony Reon Pocket Pro vs. Competitors: Where It Stands
The Sony Reon Pocket Pro faces competition from a crowded field of wearable thermal devices. The Torras Coolify 2S delivers stronger cooling—15°C below ambient versus the Pro’s 13°C—but weighs 200g (47g heavier) and lacks heating capability. The Embr Wave 2, priced at $300, takes a different approach: it’s wrist-worn and focuses on thermal sensation rather than active air cooling, with just 2 hours of battery life. The Xiaomi Mi Neck Air Conditioner undercuts on price at $50 but uses passive fans instead of Peltier technology, meaning weaker cooling precision and no heating.
Where the Sony Reon Pocket Pro wins is dual functionality—cooling and heating in one device—plus app integration. The AI auto-mode adjusts based on real-time biometric data (skin temperature, heart rate) and motion sensors, something competitors don’t match. If you need pure cooling power, Torras is stronger. If you want a thermal comfort device for office work, Embr Wave offers a lighter, wrist-worn option. But for athletes and commuters who want both cooling and heating with smart automation, the Pro is the most feature-complete option available.
How the Sony Reon Pocket Pro Actually Works
Setup takes five minutes. Download the Sony Reon Pocket app, pair the device via Bluetooth, and clip it to your collar using the included magnetic neckband. The dual fans face downward, directing cooling or heating toward your neck and upper chest—the body’s most sensitive thermal zones. The device has five cooling levels (1 mild, 5 maximum) and four heating levels. Manual mode lets you pick a fixed level; Auto mode uses the built-in sensors (skin temperature, ambient temperature, humidity, accelerometer) to adjust automatically based on your activity and environment.
The app dashboard shows real-time temperature graphs, battery status, and mode settings. You can customize notifications for low battery, overheating, or improper attachment. Charging is straightforward: USB-C cable, 2.5 hours to full charge. The device weighs 153g with the large battery and measures 69.1 x 74.2 x 25.9mm—small enough to clip under a shirt collar without obvious bulk. Stainless steel heat sink and ABS plastic construction feel durable, though the device is not waterproof, so rain or heavy sweat requires caution.
Battery Life and Real-World Use
The 34-hour battery claim in Quiet mode is Sony’s lab figure at 25°C ambient temperature. In practice, higher cooling levels drain faster—maximum cooling will drop battery life significantly. The Quiet mode is genuinely quiet at 29dB (quieter than a whisper), making it wearable in meetings or on public transit without drawing stares. Standard mode is louder but still reasonable for commutes. The dual 2,100cc/min airflow fans move enough air to feel the cooling effect within seconds of activation.
For all-day commuters, 34 hours in Quiet mode means the device outlasts a typical work week on a single charge. The included power bank stand lets you charge on the go. The real limitation is not battery but heat dissipation—the Peltier module works best when the ambient temperature difference is modest. At 35°C+ (95°F+), cooling power diminishes. This is physics, not a design flaw, but it’s worth knowing before buying if you live in extreme heat climates.
Should You Buy the Sony Reon Pocket Pro?
Buy it if you commute in heat, work in over-air-conditioned offices, or exercise outdoors and want personal thermal control. The AI auto-mode is genuinely useful—it removes the friction of manually adjusting levels throughout the day. At £149 or $199, it’s an investment, but cheaper than upgrading to a better office chair or buying a portable AC unit for your desk. Skip it if you want maximum cooling power (Torras is stronger) or prefer a lighter wrist-worn thermal device (Embr Wave). The Sony Reon Pocket Pro is the most complete personal cooling solution available, but it works best for moderate climates and regular-use scenarios, not extreme heat or one-off events.
Is the Sony Reon Pocket Pro waterproof?
No. The device is not waterproof, so avoid heavy rain or heavy sweating directly onto the unit. The magnetic clip and vents can handle light moisture, but submersion or prolonged wet conditions risk damage. If you sweat heavily during exercise, consider using it in Quiet mode with lower cooling levels to reduce internal condensation.
How long does the Sony Reon Pocket Pro battery last in maximum cooling mode?
Sony does not publish a specific battery figure for maximum cooling mode. The 34-hour claim applies to Quiet mode at 25°C ambient temperature. Maximum cooling mode will drain the battery faster—expect 8-12 hours based on typical Peltier device power draw, though this varies with ambient temperature and body size.
Can you wear the Sony Reon Pocket Pro under clothing?
Yes. The magnetic clip attaches to the inside of your collar, and the device sits against your neck under a shirt or jacket. The vents should face your skin for optimal cooling. Wearing it under thick layers reduces cooling effectiveness because air cannot circulate freely, but it works fine under a single layer or light jacket.
The Sony Reon Pocket Pro represents the current peak of wearable personal cooling technology. It is not a replacement for room air conditioning or a solution for extreme heat climates, but for everyday comfort in variable environments, it delivers real value. The AI auto-mode and extended battery life make it smarter and more practical than earlier versions. If personal thermal comfort matters to your daily routine, the Pro is worth the investment.
Edited by the All Things Geek team.
Source: T3
