•【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