Introducing the latest model, the WindCore ICE×HEATER Peltier Vest PRO2, featuring both cooling and heating functions for comfortable temperature management. Amazon Retail Price: ¥25,700 Currently out of stock at WORKMAN due to its popularity. - Model Name: WindCore ICE×HEATER Peltier Vest PRO2 - Temperature Settings: 28°C (cooling), 39°C (heating) - Battery Capacity: 2000mAh - Color: Black - Features: Cooling and heating functions, adjustable straps Thank you for viewing. Only tried on once. Warranty included. Suitable for both summer and winter.