Brand: Oimaster - Model: OI-CF-1002 - Quantity: 1 - Color: Yellow - Material: Plastic - Fan blades qty: 18 - Fan mode: 3 - Fan rotate angle: 60 - Interface: USB - Power supply: USB - USB cable length: 40cm - Fan noise: 30dB A level - Voltage: DC 5V - Current: 500mA - Operating voltage: 4.5~5.25V - Fan diameter: 3cm - Suitable for all tablet ideal for people in the hot day - Bottom groove design - Double mute fan provide you an ideal and comfortable computer office and entertainment environment - Adjustable angle function provide you the most comfort - Three fan speed modes: Low > Middle > High - 4 buttons: On / off low middle high - Low power consumption plug and play - Packing list: - 1 x Fan (40cm-cable) - 1 x Chinese and English user manual