Feature:Fit for PS4/P4 host， perfect companion for PS4/P4 game enthusiastsWith AUTO switch button， will start as temperature rise and will stop working as temperature fall automatically (Approx. 38 Degrees)Novel & handy appearance， convenient to carry and easy to use Specification:Fan Quantity: Totally 5 (2 Big + 3 Small)Compatibility: PS4/P4 (for Sony Playstation 4 PS4 Game Console Host)Working Voltage: Big Fan: DC5V 0.15ASmall Fan: DC5V 0.12ARotation Speed:Big Fan: 4500±10%RPMSmall Fan: 6000±10%RPMMaterial: ABS PlasticColor: BlackSize: 22 x 7 x 5.3cmWeight: 156g Usage: 1. Connect the power cord.2. Switch to ON button， start the fan.3. At this point， press the TURBO button to make the TURBO bounce， and then the fan will speed down and the wind will weakened.4. Switch to AUTO button， then it goes to automatic mode， the fan will start as temperature rise and will stop working as temperature fall automatically.5. When in working mode， if five fans are not working together， please switch to OFF; press TURBO button to make TUEBO button in pressed state， then switch to ON again. Package Content:1 x Cooling Fan1 x USB Cable(would be sent safely in bubble bag)