OTraki Mini USB Fan 80 mm 3 Speeds Adjustable Black for Routern Cooling PC 3.1 inches x 1 in 2000 2500 2900 rpm with painted metal grid and 8 silicone

【High Quality and Long Life】This 80mm OTraki USB fan is equipped with a high-quality hydraulic motor which has a lifespan more than twice that of traditional fans. Its metal grille protects your fingers from the blades for total safety. 【3 Levels Speed Adjustment】This cooling fan is powered via USB port without complicated wiring. Its cruise control allows you to adjust the air flow in 3 levels depending on the environment. Lightweight and compact, it fits in small spaces in the office or on the computer. Silent and stable air flow: its 7 blades ensure a stable airflow to cool computers, routers, hard drives, audio-video devices and game consoles. Its ultra-quiet design is ideal for libraries and study rooms. Voltage: 3.4/4.1/5V, Current: 0.32/0.29/0.5A. Speed: 2000/2500/2900 rpm. (Do not exceed 5V.) Reinforced safety design: removable rubber shock absorbers are installed at the corners for better stability. The metal frame provides protection against injury during operation. The USB interface allows instant start-up. 【Wide Applicability】This cooling fan is suitable for PCs, routers, hard drives, audio-video devices and game consoles. Simply plug it into a USB port to remove heat without annoying wiring at home or in the office.