LED Display Hanging Fan, 3 Speed Bladeless Portable Fan, 4000 mAh Battery Powered Wearable Personal Fan, Bladeless, Rechargeable, Headphone Design, USB Powered Desk Fan Features: LED screen displayThe novel LED screen neck fan, the designer has added a large screen display, you can observe the power, air volume, and the use of negative ion functions at any time. The high-end fashion style makes you look cool and you can take it with you in hot weather. Compact DesignThe fan is equipped with a negative ion purification system. Press the negative ion function switch to purify the air and continuously generate millions of moist negative ions to provide you with cooler and healthier air. Hands-free designThe shape design of the hands-free fan is inspired by earphones, which can free your hands anywhere; no fan blade safety design, you don't have to worry about your hair getting stuck on the fan blades when using the fan. Burning TimeBuilt-in 4000mAh large-capacity battery provides 6-12 hours of working time, providing you with longer service. Press the power button repeatedly to adjust the appropriate fan speed. Low Noise Design and ComfortThe motor of the wearable neckband fan has been modified to produce at least 25 dB of noise when running. Made of eco-friendly ABS and silicone, making the hands-free neckband fan softer, more durable and quieter. Specifications: Colour:Pink Charging time: 4h Power connection: USB Material: ABS Noise range: 20-30 db Rated power: 3W Rated voltage: 5V Gear: 3 gears Battery life: 6-12 hours Battery capacity: 4000mAh Product size: 20x16x6cm/7.9x6.3x2.4 in Packing size: 22.8x20.7x6.4 cm/9.0x8.1x2.5 in Product weight: 0.25KG/0.55 lbs Packing weight: 0.3KG/0.66 lbs Package Contents: 1 x Air cooler 1 x Manual 1 x USB power cable