Sony is once again trying to redefine personal comfort tech with the launch of the REON Pocket Pro Plus, an upgraded wearable cooling device that sits behind the neck and promises to help users survive increasingly brutal summer heatwaves.
What once looked like an experimental gadget from the future is now being treated as a serious consumer product, with early reviews suggesting Sony has significantly improved both cooling performance and real-world usability. As extreme temperatures become more common across Europe and Asia, the company appears to be betting that wearable climate control could evolve into an entirely new category of mainstream electronics.
The REON Pocket Pro Plus builds on Sony’s wearable thermo-device platform first introduced in 2019. Unlike traditional portable fans that simply circulate air, the REON system uses thermoelectric cooling technology known as the Peltier effect. A metal cooling plate rests directly against the skin near the upper spine, transferring heat away from the body to create a noticeable cooling sensation.
Sony says the new flagship model delivers up to 20% better cooling performance compared to the previous generation while lowering the cooling surface temperature by an additional 2 degrees Celsius in Smart Cool mode. The company attributes the improvement to a redesigned thermal algorithm and upgraded internal heat management system detailed in Sony’s official announcement.
One of the biggest criticisms of earlier wearable cooling devices was comfort and fit. Sony has attempted to address that with what it calls an “Adaptive Hold Design,” featuring redesigned flexible neck arms that improve stability by roughly 40% compared to earlier models. The device is designed to sit securely on the upper back while remaining relatively discreet under clothing.
Another key upgrade is the adjustable airflow system. The REON Pocket Pro Plus now includes extendable exhaust vents that can redirect hot air away from the body more efficiently, even when worn under high-collared shirts or jackets. This is important because thermoelectric cooling devices generate heat during operation, and poor heat dissipation has historically limited their effectiveness. New Atlas highlighted the upgraded thermal management system as one of the device’s biggest engineering improvements.
Hands-on reviews suggest Sony’s refinements are making a real difference. Reviewers at Tom’s Guide described the device as one of the most futuristic consumer gadgets currently available, noting that the cooling effect feels nearly instant while remaining surprisingly quiet during operation. The publication’s hands-on testing also praised its comfort during long workdays and crowded commuting conditions.
The wearable can also function as a heater during colder weather, giving it year-round usability instead of limiting it to summer months. Through the companion smartphone app, users can manually adjust temperature levels or rely on Smart Mode, which automatically changes cooling intensity based on ambient conditions and user movement. Sony’s environmental sensing technology works alongside the new REON Pocket Tag 2 accessory for improved automation.
Sony pairs the wearable with the new REON Pocket Tag 2, a separate environmental sensing device that measures temperature and humidity more accurately. The sensor is around 18% smaller than the previous generation and can be attached to clothing or accessories using a carabiner-style mounting system.
Battery life has also improved. Depending on cooling intensity, Sony claims the REON Pocket Pro Plus can last through an entire workday on moderate settings, though maximum cooling modes naturally reduce runtime considerably. Reports indicate the wearable charges fully in roughly three hours.
The company’s focus on wearable technology reflects a wider shift across the consumer electronics industry, where companies are increasingly experimenting with comfort-focused hardware categories.
Despite the technological improvements, the device still faces skepticism from some consumers. Discussions across Reddit and gadget communities show mixed reactions. Some users who tested earlier REON models described them as surprisingly effective during hot weather and commuting, while others argued wearable cooling technology still struggles with battery limitations and heat exhaust management. Online consumer response has ranged from excitement to doubts about long-term practicality.
A few users also pointed out that body shape and clothing style can affect performance, particularly if the cooling plate does not maintain firm contact with the skin. Others compared the device favorably against cheaper neck fans, arguing the direct skin-contact cooling creates a more convincing full-body cooling sensation.
Sony’s pricing may become another challenge. The REON Pocket Pro Plus launches at approximately £199 in the UK and around €229 across parts of Europe, positioning it firmly within the premium wearable segment rather than the mass market.
Still, the timing may work in Sony’s favor. Heat adaptation technology is becoming an increasingly important segment within consumer electronics. Companies are now exploring products focused not just on entertainment or productivity, but also personal environmental comfort. Portable air conditioners, wearable fans, smart hydration gadgets, and climate-regulation devices are all beginning to emerge as part of a broader “heat tech” trend.
Industry observers believe devices like Sony’s could signal the future of personal cooling, especially as climate conditions continue to worsen in urban regions worldwide.
The REON Pocket Pro Plus may not replace traditional air conditioning systems anytime soon, but it represents something more interesting: the possibility that personal climate control could eventually become as common as noise-canceling headphones or wireless earbuds.
For now, Sony’s wearable AC remains one of the clearest signs that the future of gadgets may be increasingly shaped not just by convenience, but by climate itself.
