Advanced Ultrasonic Technology: The Portable Washer harnesses cutting-edge ultrasonic technology to penetrate fabric fibers deeply, effectively lifting stains and ensuring a comprehensive clean. This technology surpasses traditional hand washing by providing a more hygienic, efficient cleaning process for your delicate garments. Long-Lasting Rechargeable Battery: Outfitted with a robust 4000mAh battery, this compact washer delivers up to 20 wash cycles on a single charge, freeing you from the constraints of power outlets and tangled cords. Its cordless design enhances portability, making it a perfect companion for outdoor activities and travel.