Fan blade material: plastic Shape: ordinary round Switch type: piano key Color: blue Size: hand holder Style: Modern Simplicity Is it a gift: Yes, a business gift Function: Portable Motor type: brushed motor Number of fan blades: 3 blades Noise: below 20dB Built-in battery: removable battery Built-in battery capacity: 1000 mA -1200 mA Endurance: 2-3 hours Gift-giving purposes: points for purchase gifts, business gifts, business gifts, advertising gifts, promotional gifts, conference gifts, promotional gifts, advertising promotions, welfare gifts, festival gifts, festival gifts, awards, awards, conference gifts, public relations gifts, personal gifts