USB 3000mAh LED Digital Display Portable Summer Air Cooling Hanging Neck Bladeless Fan Outdoor Sports Travel Personal Wearable Neckband FansFeature:Invisible Fan Blades, 60 Dual Turbo Fan Blades, 6 times the air volume, instantly cool, release your hands, and 360° surround the wind. 15° slightly lying angle, precise wind. Three speed adjustments, different wind speeds, extremely fast charging, real-time power display. Specification:Name: digital display leafless neck fanMaterial: ABS+PC+electronic components Weight: net weight 233g Size: 22.6x19.8x5.6cm/8.9x7.8x2.2in Wind Transmission: 3 gearsBuilt-in battery: battery model: 18650 lithium battery Battery voltage: 3.7V Input & Output: 5V/0.8-1A MAXBATTERY lifetime: 6-8h Noise level: below 36dBLuction: LED digital displayNote:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color shown in the photos. Please allow 1-2cm measurement deviation due to manual measurement.1 * Host Fan1 * Charging Cable1 * Manual1 * Battery1 * Color Box