• Powerful Wind 5.7m/s MAX Speed
• 4000mAh Up To 25-Hour Battery Life
• 5-Speed Wind Adjustment
• Safety Lock
• Air Focus Technology
• Compact& Portable

Model: Handheld Fan Life10
Product name: Handheld Fan Life10
Input: 5V-2A
Battery Cell: Lithium-ion battery
Battery Capacity: 4000mAh(Wh/V)
Working Power: 5W MAX 
Fan Speed:  5.6m/s MAX
Charging Time: 2-3 hours 
Operating Time: 3-16 hours (depending on different levels/usage scenarios)