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

[Equipped with two Peltier elements] This is a full set of professional-grade fan-equipped clothing vests with large capacity and a large fan. Introducing the new two-Peltier element model! The large fan and Peltier element 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] 3L size: Chest circumference 125 x Length 73 x Shoulder width 46.5 cm (suitable for height 175-185 cm) / Lithium ion: Width 6.5 x Depth 2.7 x Height 10.1 cm Weight 220 g / Material: 100% polyester / Back: AC gray coating (UV protection processing for UV protection of over 90%) / Color: Navy [ ] Battery voltage: 3.7 V, Battery capacity: 10000 mAh, Battery usage time (operating time): (strong) approx. 2.5 hours, (medium) approx. 3.5 hours, (weak) approx. 5 hours *Operating time may vary depending on various conditions such as wearing conditions. Charging time: Approximately 6 hours (using a 2A adapter sold separately). Battery level indicator: Checks the remaining battery level. [Set contents] 1 x Dedicated wear, 1 x 10000mAh mobile phone, 2 x 5V large black fans, 1 x USB charging cable, 1 x USB switch cable, 2 x Peltier devices (with switch). *This set does not include an AC adapter. Please charge using a commercially available AC adapter with a USB port.