General description The 100000 RPM Violent Brushless Fan is a versatile and portable handheld turbo fan designed for multiple applications. It effectively cleans dust from various surfaces such as keyboards, cars, and air conditioners. Additionally, it can inflate balloons and is suitable for outdoor use, providing cooling and assisting in fire ignition. This quick-drying blower is also capable of vacuuming when connected to an electric dust collector. Technical specifications Product size: 142 x 76 x 33 mm Product weight: 250 g Battery type: Lithium-ion battery Charging voltage: 5 V Battery capacity: 2000 mAh * 2/5C Charging current: ≤ 2 A Rated voltage: 7.4 V Charging time: 2 hours Rated power: 50 W Usage time: 2 hours Maximum speed: 110000 RPM Installation No installation of the mouthpiece is required; simply aim at the air inlet of the electric dust collector and gently buckle on the bag valve to start vacuuming. Usage Power on/off: Long press the power button for about 3 seconds