USB 3000mAh/2000mAh LED Digital Display Portable Summer Air Cooling Hanging Neck Fan Bladeless 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 adjustment, different wind speeds, extremely fast charging, real-time power display. Specification:Name: Digital Display Leafless Hanging Neck FanMaterial: ABS+PC+electronic componentsWeight: net weight 233gSize: 22.6x19.8x5.6cm/8.9x7.8x2.2inWind speed gear: 3 gearsBuilt-in battery: battery model: 18650 lithium batteryBattery voltage: 3.7VInput and output: 5V/0.8-1A MAXBattery life: 6-8hNoise: below 36dBFunction: LED digital displayNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.1*Host fan1*Charging cable1*Instruction1*Battery1*color box