Workwear Vest with 5000mAh DIRECTCOOL Work Heatstroke Cooling Ice Vest Navy [YAMAZEN] Water-Cooled 2026 Model Battery, Basic, Clothes, Prevention,

[Size] One size fits all: Chest 80-130cm x Shoulder width approx. 28cm x Length approx. 44cm, Weight 600g, Color: Navy 【 】Battery voltage: 3.7V, Battery capacity: 5000mAh, Dimensions: Width 64 x Depth 15.8 x Height 98 (mm), Weight: Approx. 116g, Charging time: Approx. 3-4 hours (at 5V2A output), Estimated charging life: Up to approximately 500 cycles [Materials] Apparel material: Outer fabric/Polyester, Lining/Polyester, Tank material: TPU, Cooling section specifications: Aluminum/Polyurethane, Cooling tube: Silicone rubber [Specifications] Compatible with PET bottles up to 650ml in capacity. One PET bottle keeps drinks cold for a maximum of approximately 1 hour 30 minutes to 2 hours. *Based on our research (usage environment: 36 degrees Celsius, humidity 70%, tube surface temperature below 26 degrees Celsius) *May vary depending on the environment and body temperature. Only 150ml of water is needed (cold water is recommended). The coldness is restored by replacing the PET bottle. Can also be used with commercially available mobile devices (5V 2.0-3.0A) *Some devices may not work due to compatibility issues. The front storage compartment makes it easy to operate, and the power is simply switched ON/OFF. [Accessories] 5000mAh x 1, charging cable x 1 *AC adapter is not included.