What the Reon Pocket Pro Plus Is and Why It Matters
Sony’s Reon Pocket Pro Plus is a compact wearable air conditioner designed to sit discreetly at the back of your neck, under your clothing. Instead of cooling an entire room, this personal cooling device focuses on the area around your upper spine and shoulders, where blood vessels run close to the skin and temperature changes can feel more immediate. Sony says this latest model delivers 20% stronger cooling than its predecessor, translating into up to a 2°C reduction in perceived body temperature. That improvement is backed by a refined algorithm that monitors both the device and ambient conditions to keep cooling more consistent as you move through different environments. Beyond the tech, the Reon Pocket Pro Plus also signals Sony’s renewed push into neck cooling technology at a time when interest in wearable climate control has resurfaced, especially among commuters and office workers looking for relief from heat without relying solely on traditional air conditioning.
How the Neck Cooling Technology Actually Works
The Reon Pocket Pro Plus is not just a fan blowing air down your shirt. At its core is a metal plate that uses the Peltier effect, an electrothermal phenomenon where passing current through special materials creates a temperature difference across their surfaces. One side of the plate becomes cold and presses gently against the base of your neck, while the opposite side gets warm and is cooled by a small internal fan. Sony positions this plate where blood flow is relatively close to the surface, helping the cooling effect spread through your upper body more quickly. Inside, dual thermo-modules and sensors constantly track your skin temperature and the surrounding environment. You can set target temperatures in the companion app or rely on onboard buttons to toggle between cooling and heating modes, effectively turning the device into both a wearable air conditioner and a compact personal heater for year-round comfort.
Design Upgrades: Redesigned Neckband and Adjustable Exhaust Vents
One of the biggest changes in the Reon Pocket Pro Plus is its redesigned neckband. The flexible band rests over your shoulders and down the spine, gripping more securely than earlier versions, so the main unit stays in place when you walk, bend, or engage in light activity. This improved stability makes it more practical for daily commuting, brisk walks, or office use, even if it’s not meant for intense sports. Sony has also reworked the exhaust system. Hot air generated on the non-contact side of the plate is routed through an adjustable exhaust vent that can be extended and angled away from your body. This helps prevent warm air from becoming trapped under high collars or jackets, improving both comfort and effectiveness. The light grey color and more discreet profile are intended to make the device easier to blend with typical workwear, though it may still be visible under some outfits.
Battery Life, Smart Modes, and Everyday Usability
Sony claims the Reon Pocket Pro Plus can run quietly for extended periods, making it suitable for indoor environments like offices or public transport. On certain smart cooling settings, the company states battery life can reach up to 15 hours, while testing on higher cooling levels indicates around 10 hours on the second-highest setting. The sensors inside monitor skin temperature, and when paired with the companion app, you can enable automatic modes that adjust cooling output as ambient conditions change throughout the day. Physical buttons on the device allow you to switch between cooling and heating without needing your phone, which is useful in workplaces where smartphone use is discouraged. Because the fan operates at low noise levels, most people around you are unlikely to notice it, turning the Reon Pocket Pro Plus into a subtle neck cooling technology option for those who want personal climate control without drawing attention.
How It Compares to Other Personal Cooling Devices
Compared with more traditional personal cooling devices like handheld fans, mist sprayers, or bulky neck fans, the Reon Pocket Pro Plus focuses on direct, localized cooling through a metal plate rather than just moving air. The claimed 2°C drop in perceived body temperature and 20% stronger cooling performance aim to provide a more tangible sensation of relief, especially during walking commutes or light outdoor activities. Unlike large wearable fans that sit openly around the neck, Sony’s design emphasizes discretion by hiding under clothing and directing exhaust air away from your body. The bundled Reon Pocket Tag 2 adds another layer of intelligence by measuring ambient temperature and humidity, allowing the device to tune its output more precisely than simple fan-based neck coolers. This combination of targeted cooling, smart sensors, and an improved fit shows Sony reasserting itself in the wearable air conditioner space, even as other brands experiment with next-generation portable climate gadgets.