1. It cleans your house completely, simple and easy to use, worry nothing. 2. Equipped with EVA anti-collision soft strip to reduce collision damage and greatly improve service life, protect furniture and yourself. 3. Easy to disassemble and wash, and it is also equipped with a large-capacity sealed dust box. 4. Low noise operation, does not disturb you while sleeping, working or studying, it is quiet and smart. 5. The operation is easy, convenient and quick, it is a perfect device to make your home clean. Specification: Condition: New. Item type: sweeping robot Material: ABS + electronic components Power: 5W Voltage: 3.7V Noise: 55dB Battery: lithium polymer battery (built-in battery) Battery capacity: 1500 mAh Charging time: approx. 3 hours Endurance: approx. 90 minutes Product size: approx. 30.7 x 30.7 x 7cm / 12.1 x 12.1 x 2.8in Weight: Approx. 1245g / 43.9 ounces Package List: 1 x Sweeping Robot 2 x Side Brushes 1 x Brush 1 x USB Data Cable 1 x Cleaning Cloth 1 x User Manual Note: Equipped with a built-in battery.