•[Powerful Battery Life]Equipped with a 3600mAh battery for extended use, ranging from 2.8 to 8.5 hours depending on speed setting. •[Multiple Speed Settings]Five adjustable speed levels to cater to various cooling needs and preferences. •[High-Performance Motor]Achieves a maximum rotation speed of 2700 RPM for efficient air circulation. •[Quality Construction]Crafted from durable ABS plastic, soft silicone, and reliable PCBA components for longevity. •[Convenient Charging]Fully recharges in approximately 5.5 hours via the included data cable. Specifications: •Model: ZK05 •Battery Capacity: 3600mAh •Materials: ABS, Silicone, PCBA •Operating Time: •Level 1: Approx. 8.5 hours •Level 2: Approx. 8 hours •Level 3: Approx. 4.2 hours •Level 4: Approx. 4 hours •Level 5: Approx. 2.8 hours •Charging Time: Approx. 5.5 hours •Maximum Rotation Speed: 2700 RPM Package included: •1 x Fan •1 x Data Cable •1 x English User Manual