D15S Compact Powerful Brushless Motor Blower Dust Cleaner Portable High-Speed Air Flow Fan 1.Powerful Air Flow：Featuring a high-speed brushless motor with up to 130,000 RPM, this compact blower delivers intense air pressure for efficient dust removal. 2.Adjustable Speed Settings：Three speed modes (60,00090,000130,000 RPM) offer versatile cleaning power, ranging from 50G to 180G of blowing force. 3.Long-lasting Battery Life：Equipped with dual 2500mAh 18650 lithium batteries, enjoy up to 55 minutes of operation on the lowest setting. 4.Quick Charging：Rapid 2.5-hour charging time via USB Type-C port ensures minimal downtime between uses. 5.Portable Design：Weighing only 296g with compact dimensions, this blower is perfect for on-the-go cleaning tasks. Specifications: 1.Model: D15S 2.Motor: High-speed brushless 3.Speed: 130,000 RPM ±5 4.Rated Power: Approx. 150W 5.Battery: 2x 18650 Lithium batteries, 2500mAh each 6.Voltage: 7.4V 7.Speed Settings: 60,00090,000130,000 RPM ±5 8.Blowing Force: Approx. 50G-180G 9.Working Time: Level 1 - 55 min, Level 2 - 15 min, Level 3 - 10 min 10.Charging Time: Approx. 2.5 hours 11.Charging Mode: 5V3A 12.Interface: USB Type-C 13.Weight: Approx. 296g 14.Dimensions: 138*178mm