Specifications: Featuring fast and effective heat dissipation, the STB cooling fan can quickly cool your TV box or mobile HDD when it overheats.The STB cooling fan can quickly cool your TV box or mobile HDD when it overheats because it has fast and effective heat dissipation.The STB cooling fan features fast and effective heat dissipation, so it can quickly cool your TV box or mobile HDD when it overheats.Features: The STB cooling fan features low noise, which will not disturb you when you are working.You will not be disturbed when you are working because the STB cooling fan features low noise.This STB cooling fan is also suitable for router, mobile HDD and so on.8cm: 8cm x 8cm x 3.45cm/3.15" x 3.15" x 1.36" (Approx.)12cm: 12cm x 12cm x 2.5cm/4.72" x 4.72" x 0.98" (Approx.)notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement.Package Includes: 1 x STB Cooling Fan