1. Ultra-quiet router cooling base Magnetic levitation USB fan Low noise and ultra-quiet | Strong wind | Fast cooling | Ultra-low power consumption 2. USB interface plug and play Support routers, USB ports, mobile phone chargers, computers, power banks, etc. 3. Temperature drops by 20℃C to say goodbye to network freezes Reject WiFi signal and prevent game disconnection 4. Strong signal every day 365 days uninterrupted Ultra-low power consumption 5. Strengthen the protection net to bear 10KG ABS material, 10 times more dependable than similar models on the market Product name: Magnetic levitation USB fan Product size: 120x120x50mm (single) Voltage: USB interface (5V) Current: USB (0.2A) Speed: 1800 rpm Air volume: 56CFM Noise: USB (18 DB-A) Bearing: Oil shaft Material : plastic PBT Note: The data is manually measured and there is a slight deviation. Please consult the online customer service according to your needs