Battery capacity: 3600/5000mAh2. Charging port: Type-C5. Material: ABS6. Size: about 11.9 x 6 x 3.3cm7. Weight: 3600mAh: about 160g; 5000mAh: about 170gFeatures:1. 5-speed wind power adjustable, air multiplier technology, effectively improve the efficiency of blowing air2.