Features: brand new and high quality Built-in 6000mAh large lithium battery, which can run continuously for nearly 50 minutes. Efficient battery life, long-lasting dust collection, 40000r speed performance. Strong wind. Quickly clean up dust and bacteria, clean without dead ends. The device adopts an extended full-hand grip design to keep the handle clear and allow users to grip comfortably. Wireless and easy to carry. Comfortable to hold and simple to operate. Specifications: Power supply: DC5V Motor speed: 40000rpm Battery capacity: 6000mAh Use time: 40-50min Motor: Brushed motor Charging time:4Hours Power:70W Suction Power: 5000pa Material: ABS Metal Single unit weight: about 360g Product size: about 180x107x60mm / 7.09x4.21x2.36in Charging interface: Charging current: 5V/2A Package Includes: 1 x Dust blower 2 x Suctionheads 1 x Cable 1 x Manual note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.