Product Description】 This is the Sony wearable cooling/heating device "REON POCKET 4 (RNPK-4)". It can be operated from a smartphone app and supports both cooling and heating. It's great for dealing with the summer heat, as well as the cold in the winter! Operation confirmed (app connection OK) No noticeable scratches or stains (beautiful condition) Includes main unit, neckband, and cable (excluding sensing kit) Shipped anonymously for peace of mind♪ Just put it around your neck for quick and easy use! This model is useful regardless of the season. Instant purchase OK, feel free to buy! *Please note that the color may differ from the image due to your monitor settings and the use of flash photography. *No comment is needed, instant purchase is OK. *Please check the photos for confirmation of accessories. Items shown in the first photo will be shipped. *Shipping is expected within 1-2 days, but may be delayed. Please also note that large items may take longer to ship. *Also available on other sites, so it's first-come, first-served. *Please consider the seller's feelings when negotiating prices. *Please understand that this is a used item. *Please judge from the images and description, and if you have any questions, please comment. *All used items have been tested for operation. *Items will basically be packaged with bubble wrap for shipping. *Please note that shipping will be in simple packaging to keep the product price as low as possible. *Shipping will be as compact as possible. *If there are any problems after the product arrives, please contact us immediately. We may not be able to accept returns or refunds if you contact us after several days, as we will assume that the problem occurred after use. *All items with serial codes have been photographed. Thank you for your consideration. #REONPOCKET4 #REONPOCKET4 #Sony #SONY #NeckCooler #WearableCoolingHeating #CoolingHeatingDevice #HeatstrokePrevention #ColdWeatherProtection #SummerWinterCompatible #InstantPurchaseOK #AnonymousShipping