Home Desktop Wall Mounted Fan USB Portable Desktop Mini Fan 1. Material: ABS + electronic components 2. Speed: 5 speeds 3. Power: 3.5W 4. Voltage: 5V1A 5. Charging time: about 3h 6. Battery capacity: 2000mAh 7. Charging interface: Type-C 8. Use time: 2-7h 9. Weight: about 210 g 10. Size: about 16 x 13.4 x 3.6 cm Features: 1. 5-speed wind power adjustment, anechoic motor, low resistance and noise reduction at the same time, surging power 6. All-round three-dimensional noise reduction, drawing on aerospace fluid dynamics data, better mute noise reduction effect 3. Bionic feather leaf, wing section grille, hydrodynamic wind gathering, resistance and noise reduction 4. Frosted buttons, delicate and skin-friendly, easy to press, triangular structure, fixed rotary axis, stable support 5. Square large fan, gathering wind more powerful, Type-C fast charging, cool life all day long 6. 180-degree wide-angle wind, square fan, infusion structure blowing 3 meters of refreshing cool wind, wind sound light