Iceman Best Set - Heatstroke Prevention Unused, New Water slowly flows down the sides of a frozen PET bottle, efficiently creating cold water with the "Ice Drip Control" system. A quiet pump circulates the cold water throughout the tube. The timer-equipped battery allows for intermittent operation, providing comfortable cooling without overcooling. https://yamashinseikyo.com/item-photo/water/iceman/manual/iceman-manual.pdf ○ Iceman Vest x 1 ○ Lithium-ion Battery 3350mAh x 1 (with timer function) ○ Charging Cable x 1 ※ PET bottles are not included. Please purchase commercially available ones and freeze them for use. ※ This product does not include a charging adapter. ※ Please check the other images! ※ All accessories are shown in the photos. ※ I am a non-smoker and have no pets. ※ This is a used item, so please refrain from purchasing if you are overly sensitive. Thank you for your understanding. ※ I do not offer "reserved" listings for transactions. Price changes will be made after communication via messages. In such cases, if another buyer makes an immediate purchase after the price change, I apologize, but I will prioritize that buyer. Thank you for your understanding and cooperation. Other ※ Please feel free to message me with price negotiations or questions ★ I will add more photos if there are any other concerns. To ensure a smooth transaction and avoid any issues, defects, or returns upon arrival, please make your purchase after careful consideration and agreement. ※ Returns and exchanges are not accepted to prevent product substitution. Thank you for your understanding.