YAMAZEN Workwear Vest with 2 Peltier Airflow UV Heatstroke and Size Navy Fan-Equipped Devices, 10,000mAh Battery, 4-Level Adjustment, Protection,

[Equipped with 2 Peltier Units] This is a full set of professional-grade fan-equipped clothing vests with large capacity and a large fan. Introducing the new 2-Peltier unit! The large fan and Peltier unit combination will keep you even cooler and more comfortable. [Measures against extreme heat] Equipped with a Peltier element around the neck, it efficiently lowers body temperature by cooling the neck, making it ideal for preventing extreme heat and heatstroke. [4-Level Adjustable Peltier Unit and Air Vent Structure] The Peltier unit has four levels of cooling, allowing you to adjust the temperature to your liking. Air passages are positioned in the front and back of the vest, allowing air to reach your face with the air vent structure for excellent ventilation. [Unobtrusive Fan] The fan is positioned so that it won't hit your back when you sit down, so it won't get in the way. It's removable for easy cleaning. [Great for a variety of situations] Great for a variety of situations, including work sites, construction sites, factories, gardening, outdoors, and delivery work. Specifications: Size M: Chest 113cm x Length 67cm x Shoulder 42cm (Suitable for heights 155-165cm); Lithium-ion: Width 6.5cm x Depth 2.7cm x Height 10.1cm, Weight 220g; Material: 100% Polyester; Lining: AC Gray Coating (UV Protection with Over 90% UV Protection); Color: Navy; Battery Voltage: 3.7V; Battery Capacity: 10,000mAh; Battery Life (Operating Time): (High) Approx. 2.5 hours; (Medium) Approx. 3.5 hours; (Low) Approx. 5 hours. *Operating time may vary depending on wear and other factors. Charging Time: Approx. 6 hours (using a 2A adapter, sold separately); Battery Level Indicator: Check remaining battery life. Set Contents: 1 x Dedicated Wear, 1 x 10,000mAh Mobile Phone, 2 x 5V Large Fans (Black), 1 x USB Charging Cable, 1 x USB Switch Cable, 2 x Peltier Devices (with Switch). *AC Adapter not included. Please charge using a commercially available AC adapter with a USB port.