- Material: ABS+PVC+electronic components-2. Size: 164 * 134 * 39mm; Weight: 230g-3. Battery capacity: 2000mAh; Charging time: 3 hours-4. Battery life: 3h 20min-10h-5. Speed: maximum 3200 rpm; Air flow noise: maximum 50db-6. Digital display level and real-time battery level