Compact, portable, stylish, innovative design. Intelligent automatic mode: The cooler fan can adjust the fan speed according to the temperature of notebook outlet. Manual mode: You can adjust the fan speed according to your requirements, more choices, more flexible. LCD display provides two switchable display modes—temperature and fan speed by pressing MODE button for 2 seconds. Four silica gel connector, compatible with all notebook outlet. Memory function: It will automatically enter the working status before poweroff. Adjustable LED light give you cool experience. USB interface 5V power supply is more convenient and reliable. Small body, large air volume, low noise and long service life. Specifications: Brand: COOL COLD Rated voltage: DC 5V Rated current: 0.4±10%A Input power: 2.0W Max air volume: 23.15CFM Fan speed: 900-3500±10%RPM Item size: 11 * 8.2 * 4cm / 4.33 * 3.22 * 1.57in (L * W * H) Item weight: 136g / 4.80oz Package size: 17 * 9.1 * 5cm / 6.69 * 3.58 * 1.96in (L * W * H) Package weight: 332g / 8.05oz Package List: 1 * USB air extracting cooler cooling fan 1 * USB cable 2 * Silica gel connector QBIC.LK 100/3A, Robert Gunawardhana Mawatha, Kirulapone, Colombo 6