Hands Free Design: Neckband design to free your handsDual 360-Degree Fans: Adjustable 360-degree rotating fans to suit your preferred anglesAdjustable Speed: 3 Adjustable speed settings, low/ medium/ highUSB Rechargeable: Rechargeable lithium battery via USB cable. Working time up to 6-10 hours.Package Contents1 x Fan1 x USB Charging Cable"Material: ABSColour: Black, White, Green, PinkBattery model: 18650-3.7VPower consumption: 0.3W-1.2WCharge input: DC5V 1AInterface type: MicroProduct Size: 26 x 19 x 7.5 cmPackage Size: 19 x 16 x 4 cm"