zitaotangb® Summer Portable Mini USB 3 Gears Hanging Lanyard Clip on Belt Air Cooling Fan

Item Name: USB Cooling Fan. Material: ABS. Type: G204000mAh/G306000mAh Optional). Type G204000mAh: Battery Capacity: 4000mAh Included). Output Power: 3.6W. Motor Speed: High Wind Speed: 5000rpm, Medium Wind Speed: 4300rpm, Low Wind Speed: 3600rpm. Battery Life: about 3H for High Wind Speed, 6H for Medium Wind Speed, 15H for Low Wind Speed. Charging Time: about 3-4 Hours. Input: DC 5V. Type G306000mAh: Battery Capacity: 6000mAh Included). Output Power: 3.6W. Motor Speed: High Wind Speed: 5100rpm, Medium Wind Speed: 4400rpm, Low Wind Speed: 3800rpm. Battery Life: about 4.5H for High Wind Speed, 9H for Medium Wind Speed, 23H for Low Wind Speed. Charging Time: about 3-4 Hours. Input: DC 5V. Features: Rechargeable, Portable, Air Cooler. Size: 10.1cm x 7.7cm x 3.6cm/3.98 x 3.03 x 1.42 Approx. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Specifi