The Acefast Portable fan YF4 is a handheld fan and high-speed blower designed for cooling and cleaning. It delivers airflow speeds from 3.9m/s at the minimal level to 17.5m/s at the maximum level, with 199 adjustable airflow levels. The 13-blade design is powered by a motor reaching up to 77000rpm, while fan output ranges from 3.2W to 46W. With three nozzles included for various surfaces, the YF4 supports different cooling and cleaning tasks. Its handheld format, 264g weight, and compact 147 × 80 × 39mm size make the product easy to hold during use. The Acefast YF4 is suitable for users seeking adjustable airflow in a portable cooling and cleaning device. The Acefast YF4 handheld fan uses a 4000mAh / 7.4V lithium-ion battery and provides up to 10 hours of use at the minimal speed. At maximum speed, usage time is 38 minutes, while charging takes 3 hours 30 minutes through the USB-C input. The LED display shows battery life, recharge alerts, and airflow speed, helping users monitor the fan during operation. Airflow performance is specified at a test distance of 100mm, with a maximum airflow of 17.5m/s. The housing is made from ABS + PC + electronic components. Certified to FCC, CE, EAC, RoHS, and UKCA standards, this portable fan combines adjustable airflow, handheld operation, and three-nozzle versatility.
Key Features
• High-speed blower and handheld fan
• 17.5m/s maximum airflow
• 199 airflow levels
• Up to 10 hours of use
• Cooling and cleaning
• Three nozzles for various surfaces
• 13-blade design
• LED display with battery life, recharge alert, and airflow speed indication
Specifications
• Product name: ACEFAST YF4 handheld fan
• Number of blades: 13 blades
• Motor speed: 77000rpm maximum
• Airflow level: 199 levels adjustment
• Airflow speed: Minimal level 3.9m/s; maximum level 17.5m/s
• Airflow speed test distance: 100mm
• Fan output power: Minimal level 3.2W; maximum level 46W
• Battery: 4000mAh / 7.4V, lithium-ion
• Input: 5V/2A, USB-C
• Charging time: 3 hours 30 minutes
• Usage time: 38 minutes at maximum speed; 10 hours at minimal speed
• Indication: LED display, battery life, recharge alert, airflow speed
• Material: ABS + PC + electronic components
• Size: 147 × 80 × 39mm
• Weight: 264g
• Certification: FCC, CE, EAC, RoHS, UKCA
