I purchased this cordless rechargeable blower new this year. I've only used it once. The box is slightly dented. To operate this product, hold the button for 3 seconds, and it will start after 3 seconds. Battery Capacity: 8000mAh Rated Output: 15W Rotation Speed: Max 130,000 RPM +/- 10% Maximum Power: 120W Voltage: 7.4V Charging Time: Approximately 3 hours Size: Approximately 140*80*46mm Weight: Approximately 297g Number of Fan Blades: 13 Set Contents: Product Body + USB Charging Cable Main Features: Ultra-Powerful: With a high-speed rotation of 130,000 RPM and a wind speed of 52m/s, it can blow away stubborn dirt and dust in an instant. Cordless Design: USB rechargeable, so you can use it anywhere after charging. Free yourself from the hassle of cords. 5 Transformation Modes: By changing nozzles and attachments, you can use it for various purposes such as car washing, dust removal, and gardening. Compact Design: Small and lightweight, it's easy to operate with one hand and convenient to carry. Long-Lasting Use: Equipped with a large-capacity battery, it can be used for a long time on a single charge. Usage Scenarios: Water removal and water droplet blowing during car washing Removal of fallen leaves and debris in gardening Dust removal and cleaning indoors and outdoors Dust removal in workshops and DIY projects Cleaning pet hair and carpets Please feel free to contact me for comments or price negotiations. Thank you.