Cute Robot Design,Small body, big effect.Small size, easy to carry, save space. One Key Dust Removal,Easy to absorb small objects, clean more clean,Give children a clean learning environment. 360 Rising Suction,Smooth rotation, uniform wind, clean suction. Easy to operate,Detachable Extended Suction Port.Easy to deal with all kinds of occasions different environmental needs.Small gaps /corners/ dust can also be absorbed USB Charging,Super capacity battery 1200mAh,charge for 3 hours. Battery Capacity: 1200mah Charging Way: USB Shape: Robot Working voltage: 3.7V Charging voltage: 5V2A Working time: 120 minutes Working current: 500mA Power: 2W Color: Black Material: Plastic Package Contents: 1 x Vacuum Cleaner 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.