1. The bladeless metal turbo fan dissipates heat quickly and drops directly by 15 degrees. 2. Quiet operation is not afraid of making noise to others. It runs more quietly, so quiet that you can ignore its existence, and all you can hear is the sound of the wind. 3. use is not limited. Mobile phone/tablet/notebook universal radiator can be used for cooling of mobile phone/tablet/notebook or can be used as a small fan on the desktop 4. 3 gears can be adjusted, the wind speed can be adjusted at , and different gears can be adjusted according to different environments and different equipment. M-H3 gears can be adjusted. Product Description: Model: -1691 Type: Laptop Cooler Applicable models: , ultrabooks, playbooks Heat dissipation method: air cooling According to fan configuration: 1 size: 65 x 65 x 296mm Material: Plastic colour: black Package Contents: 1 x radiator Only the above package content, other products are not included. Note: Light reflection and different displays may cause