Description: Working decibel: 55DB Working voltage: 3.7V Battery capacity: 1200mAh Product weight: 550g Charging time: 3h Product size: 22.5*22.5*5cm Product color: white, black Working hours: 90min Cleaning route: random Operation mode: mechanical Power supply mode: USB Timing function: no timing Rated voltage: 3.7V Rated power: 5W Applicable area: 90-120 square meters With remote control: No LCD display: none Is there a timed appointment function: No Collision protection: mechanical collision Suction power: 1000~1499Pa Specifications: 1. Low-noise design, no noise troubles, a complete set of systems are highly efficient, and reduce noise while cleaning. 2. Optimize the route logic, turn quickly, bypass the cleaning of the chair legs, and effectively improve the cleaning strength of the cleaning. 3. Applicable floor: marble, ceramic tile, wooden floor, etc., intelligently turn around when encountering obstacles on the flat floor. 4. Only 5cm high, slim body, shuttle freely, the body's improved performance enters the sofa bottom and the bottom of the bed to clean without omission. 5. Using 2600ml large-capacity lithium battery, the long-lasting battery life can reach 120 minutes, which can easily meet the large-area cleaning. The battery has ample and long-lasting battery life, safe and low loss, and has a longer life. 6. Extend the bilateral sweeping brush, clean the welt, and can sweep the corners and gaps without omissions and make it cleaner. Package Included: Vacuum cleaner*1, wear-resistant brush*2, charging cable*1, cleaning brush*1, water-locking mop*1