This is a radiator fan, which is made of materials, durable and can be used for a long time. Super quiet in normal work does not make annoying noise.The 3 in 1 function can be used alone or with the Gear-type rotation design, free to adjust the Angle. Small folding and portable holder is easy to carry. Ergonomic design, 130 degrees free rotation for rapid cooling, aluminum alloy panel for rapid cooling of your equipment. Features -Color: Black. -Material: Plastic, electrical machinery. -Size: About 16.00X14.00X10.00cm/ 6.29X5.50X3.93in. - Super quiet in normal work does not make annoying noise.The 3 in 1 function can be used alone or with the Gear-type rotation design, free to adjust the Angle. Small folding and portable holder is easy to carry. Ergonomic design, 130 degrees free rotation for rapid cooling, aluminum alloy panel for rapid cooling of your equipment. - Compatible with computers, laptops, portable chargers and other equipment.The USB output. Mobile phone stand with refrigeration fan can help you protect your electronic equipment, use for a long time, can be charged by the mobile power supply at the same time. - Adjustable angle to watch the game or type from different angles, providing you with the best viewing angle. - Aluminum and ABS materials prevent sliding and firm attachment to your phone. Easy to carry, foldable bracket base supports both vertical and horizontal of your device to meet all your requirements. - Compatible for tablet, mobile phone, game machine, etc. Package list: 2 x Radiator Fan