Specification: Item Type: CPU Cooling Fan Material: Copper, Aluminum Alloy, ABS Power Connection: 4 Pin Input Voltage: DC 5V 2.25W Applicable Models: for Lenovo Ideapad Yoga 720 13IKB How to Use: Install and use Package List: 1 x CPU Cooling Fan MATERIAL: Made of copper aluminum alloy ABS material, strong and durable, not easy to damage, long service life. EASY TO CONNECT: This laptop cooling fan is easy to connect, easy to operate, easy to use, easy to install and remove. APPLICABILITY: A CPU fan with heat sink specially designed for Lenovo Ideapad Yoga 720 13IKB, a perfect replacement for your laptop damaged parts. FAST HEAT DISSIPATION: 4 pin power connector is adopted to enhance heat dissipation and reduce the temperature during continuous operation. PORTABLE: Small in size and light in weight, this cooling fan can help lighten the load on your laptop and increase the efficiency of your laptop.