Ventilador de escritorio USB pequeño, modelo de carga para oficina, batería de larga duración, ventilador portátil de pared pequeño de fábrica

Power mode: USB Noise: 36dB or less Whether it is patented Source: No Color: beige, starry sky gray Whether to turn page fan: Yes Built-in battery capacity: 2000mAh-4000mAh (inclusive) Product certification: CE, FCC, RoHS Fall stop: not supported Shell process: 19348111286 Motor type: brushless motor Battery life: 8-12 hours Whether to support charging: Yes Packing volume: 261x147x176mm Rated voltage: 5 Smart Timing: 2H, 4H, 8H Product features: long battery life Gross Weight: 640g Fan Category: USB Fan Air supply method: turn page Rated power: 3 Whether it has a built-in battery: built-in battery Size: 6 inch Battery capacity: 4000 mAh Operation mode: normal button Working hours: 4-10 hours Applicable area: 10 square meters Shaking method: shaking the head up and down Function: intelligent timing, digital display Size: 255x141x170mm Wind speed gear: 5 gears