Peltier vest for instant cooling in 2 seconds, with a perceived temperature of -25°C. Purchased in May 2025 for 11,186 yen. Used only 3 times indoors, as I was using a different air-conditioned vest. Please note that the battery is sold separately, so this listing does not include a battery. Recommended for those who already have a battery and are looking for a bargain. This is a used item, so please only purchase if you understand this. - Model Name: KLife Peltier Vest - Cooling Temperature: Perceived temperature -25°C - Cooling System: Peltier element cooling plate - Cooling Time: Instant cooling in 2 seconds