Sony's new wearable air conditioner runs even cooler - Engadget

"The development of Sony's wearable Reon cooling device started back in 2017and after a crowdfunding launch in 2019, it eventually went on sale in Asia and, in recent years, the West. It's time for an upgrade with the Reon Pocket Pro Plus, which will be available in the UK and Europe through Sony's own store and online retailers, including Amazon."

"The Reon works through the Peltier effect. The device sits at the base of your neck, with an electrically cooled metal plate delivering lower temperatures at the ideal place for your circulatory system, like a tiny ice pack with a USB-C port. Over almost ten years, Sony has refined the device, expanding battery capacity and improving its design for greater comfort."

"The new Pro Plus improves performance further, with a two-degree Celsius (3.6-degree Fahrenheit) increase in cooling: a 20 percent increase. It also has an improved cooling algorithm that more accurately monitors temperature changes on the device and in the surrounding area. While it's more powerful than its predecessor, it'll still run for up to 10 hours on its second-highest cooling setting."

"New fins, which hold the device on your neck and shoulders, make the Reon 40 percent more stable, according to Sony. It's pretty much the same hardware design as the Reon Pocket Pro. The device traces the back of your neck, beneath a shirt or any top, and the fin around the vent is more adaptable to suit different neck shapes. There's still a quiet fan to help circulate air across the cooling area, while an automatic shutdown mechanism protects against the dangers of the device overheating."

Sony’s Reon wearable cooling device began development in 2017, launched via crowdfunding in 2019, and later expanded sales from Asia to Western markets. The Reon Pocket Pro Plus is sold in the UK and Europe through Sony and online retailers including Amazon. The device uses the Peltier effect, placing a cooled metal plate at the base of the neck to lower temperatures near the circulatory system. Sony refined the design over nearly ten years, increasing battery capacity and comfort. The Pro Plus delivers about a 2°C greater cooling effect, supported by an improved cooling algorithm and up to 10 hours of use on a high setting. New fins improve stability by 40%, while a quiet fan circulates air and an automatic shutdown prevents overheating. A smaller second-generation Pocket Tag accessory is included.

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