Usb Power Supply Hanging Neck Fan White Energy Saving Air-conditioning Turbine Port Usb Leafless Fans Summer Supplies Air Cooler Type: USB hanging neck leafless fan Material: ABS + PCB motherboard + motor + 18650 lithium battery Power mode: USB Product size: 21 * 16 * 6cm Package size: 23.3 * 18.6 * 6.5cm Noise: below 40dB Rated voltage: 3.7V Rated power: 5W Wind speed gear: third gear Operation mode: Mechanical Net weight: 270g Gross weight: 460g Color: black, pink, blue, white Battery capacity: 2400 Ma Motor type: brushless motor Shell process: electroplating Specifications: 1200Ma batteries * 2, 2400ma in total, 8 hours for the first gear, 5 hours for the second gear, 3 hours for the third gear and 4 hours for full charge. Turbine port: semi enclosed air inlet, dust-proof, sweat proof and no twisted hair. Hang around your neck, free your hands, and 7-color breathing lights on both sides to increase beauty. Both sides and buttons are electric ferry technology to increase the product grade. The wind blade is built-in. The interior of the machine is not exposed. Long hair and short hair can be used safely without twisting hair, which is safe and reliable. The side air outlet of the neck is adopted. The air outlet area is large, the air volume is also large, and the air outlet angle is adjustable, which makes people feel comfortable and cool Instantly feel cool Package Included: English package * 1, English manual * 1, charging line * 1, host * 1 Notes: 1-2cm error might exist due to manual measurements, please kindly understand. The colors deviation might differ due to different monitor settings. We provide you with the best product and service. If you have any problem, please let us know, and we will solve the problem ASAP. Thank you so much.