About this item -Built-in 800mAh rechargeable lithium battery, it can be used continuously for up to 30 minutes on a single charge. -Equipped with double swivel heads, it can clean efficiently and thoroughly, saving you time and energy. -The handle adopts a 3-section design, the length can be adjusted freely, suitable for use in all scenarios. -The pads of the two rotating heads are installed with Velcro, which is convenient for removal and replacement. -Suitable for cleaning various surfaces, suitable for wood, tiles, ceramics, glass and other surfaces. .