DP 7639 Desktop Rechargeable Fan || 4-8 hours Backup

The DP 7639 is a popular portable, rechargeable desk fan designed for personal cooling during power outages or outdoor activities. Key Technical Specifications Battery Capacity: 4000mAh lithium-ion rechargeable battery. Operating Time: 4 to 8 hours, depending on the speed setting. Charging Interface: Micro-USB or Type-C (depending on the production batch). Speed Modes: 3 adjustable wind speeds (Low, Medium, High). Weight: Super lightweight at approximately 190 grams. Dimensions: Roughly 25 x 13.5 x 12.5 cm. Core Features High Portability: Small footprint makes it easy to carry in backpacks. 180-Degree Rotation: Manual tilt adjustment allows targeted airflow. Quiet Operation: Brushless motor minimizes noise for office or bedside use. Dual Power Modes: Runs directly via USB cable or off its internal battery. Main Use Cases Load Shedding Backup: Provides instant emergency relief during power cuts. Office Desk Accessory: Plugs into laptop USB ports for personal cooling. Outdoor Travel: Ideal for camping, commuting, or picnics. Specification : Battery Capacity: 4000mAh lithium-ion rechargeable battery. Operating Time: 4 to 8 hours, depending on the speed setting. Charging Interface: Micro-USB or Type-C (depending on the production batch). Speed Modes: 3 adjustable wind speeds (Low, Medium, High). Weight: Super lightweight at approximately 190 grams. Dimensions: Roughly 25 x 13.5 x 12.5 cm.