Electric Mini Vacuum Cleaner Specification: Size:5.9 x 6.1x2.6 inch Material: ABS Weight:300G Input Voltage:USB 5V Output Voltage: DC 5V Current control of more than 1A then it can normal work Built-in Lithium Battery Noise:less than 75dB Warning and Cautions: 1.Please take off the power before install the filter mesh. 2.Clean the mesh filter at least one time per month, it must be cleaned immediately it there is too much dirty. 3.Make sure the mesh is inside before you operate the vacuum. 4.Should check whether the filter mesh was well installed or broken before you use again. 5.Should avoid rain-wetting and nearby heating objects such as glass or fire. 6.Avoid touching any kind of liquid. 7.Don't vacuum any sharp object or heating object such as glass and fire. 8.Don't open the inside to maintenance or fix the internal electric wiring. Clearing of fault: 1.If suction is getting weak and comes with unusual sound, the motor may be over heating, please take off the power switch. 2. If the suction is getting weak, please check whether the entry is block and the mesh filter is full of dirty. 3. If the dust pot is full of dirty, please clean it immediately. 4. If the motor don?t work, please check whether the power switch is open or no power, please make sure there is power. Hot Sale Special Features: 1.Battery Powered, convenient to use and save energy; 2.Providing effective filter system; 3.Especially good for cleaning keyboard; 4.Great for the small stuff if you know how to use it; r>5.Upgrade,it becomes more stronger suction with short and dense brush. Package included: 1 x Vacuum Cleaner Handle with 71 inch usb cable. 1 x Brush Nozzle 1 x Flat Suction Nozzle 2 x EVA Filter