Parameter - Product Name - Handheld Vacuum CleanerProduct Model - ST-6645Product color - black grey/silver greyWith packaging about - 525GProduct material - ABSRated voltage - DC 7.4V/DC 11.1VVacuum degree - 6000pa/ 12000Pa(brushless motor)Rated speed - 35500rpmBattery capacity - 6000mAhCharging method - 5V USB boost charging cableRated power - 120WNoise - ≤84dBOperating temperature - -20℃~+50℃ Please Note - 1. Due to the light and screen difference, the product color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. 3. Made of premium material, durable for long-term use. 4. Conversion - 1inch=2.54cm, 1cm=0.393inches 5. If you did not receive your order in time, please use to contact me, I will provide you with effective solutions.Thanks for your understandings. 6. Because the time difference between countries, if sales person is not online,she will reply your email within 5-10 hours.