New, Unused PITA FAN, Retail Price: 3980 yen I bought it for travel, but I think it's good for work, live performances, commuting to school, etc. The box is dented, so this is a discounted item. Please refer to the images. This item will be available until the summer. Size: Width 105 x Height 220 x Depth 55 (mm) Weight: Approximately 215g Included: Main unit, USB cable, Japanese instruction manual Power: Charged via USB Battery: 3.7V 3200mAh Lithium-ion battery Charging time: Approximately 4 hours (when charging with 5V 1A) Operating time: 1 hour 30 minutes (when fan is on high + cooling plate ON) Cooling plate temperature: Approximately -17°C from the outside temperature (depending on the usage environment) Operating environment: Temperature: 20°C to 35°C Humidity: 80% RH or less Altitude: 1000m or less