Jichodo "FEVER GEAR ADVANCE" heated vest. Key features and specifications are as follows: 9 Heating Elements: Built-in heating elements in 9 locations, including the collar, shoulders, back, waist, and front pocket areas, providing rapid heating in approximately 15 seconds. Independent Switches and 3-Level Adjustment: Separate switches for the front and back, each allowing independent temperature adjustment in 3 levels: "High, Medium, and Low." Excellent Heat Retention: The lining uses black aluminum mesh, providing high heat retention with a thermos-like effect. Long Operating Time: When using the dedicated battery, it can operate continuously for up to approximately 12 hours on the front-only high setting, and approximately 3 hours on the both-sides high setting. Color...Black