Men's summer air conditioner clothing fan cooling vest usb rechargeable cooling sports men's vest outdoor cooling summer hooded vest Material: Polyester Style: Casual Hoodie: None Closure Type: Zipper Jacket Type: Vest Model Number: FS-MJ001 Detachable Part: Unlined Material: Cotton Pattern Type: Solid Color Garment Length: Short Type: LOOSEG Gender: Men Collar : O-neck Closure Type: Zipper Jacket Item Type: & CoatsDecoration: NONE Please use a power bank. At the same time, the products in this store do not contain mobile power. Note: It is recommended to use 5V/2A Instructions for use: 1. Check the USB socket 2. Access the library 3. Charge the adapter on the switch Air-conditioned clothing for heatstroke prevention and cooling Three-speed adjustment, circulating air supply and breathable fabric, wear-resistant and anti-wrinkle microporous perspiration, healthy and cool Brushless DC Motor Powerful wind source, power operation up to 4500r, optimized heat dissipation, no heat, longer service life 4500 hours lifespan Size: S Length: 64CM Bust: 112CM Shoulder Width: 45CM Size: M Length: 66CM Bust: 116CM Shoulder Width: 46.5CM Size: L Length: 68CM Bust: 120CM Shoulder Width: 48CM Size: XL Length: 70CM Bust: 124CM Shoulder Width: 49.5CM Size: 2XL Length: 72CM Bust: 128M Shoulder Width: 51CM Size: 3XL Length: 74CM Bust: 132CM Shoulder Width: 53.5CM