Razer Laptop Cooling Pad Smart Cooling Stand for 14” to 18” Laptops RC21-02300100-R3GW Features: Smart Cooling Airtight Pressure Chamber Works With Most Laptops Specifications: Connection Type (Input): USB Type A Connector (0.5 m) Software Features: Automatic mode, custom fan curves, fan speed, lighting and other features managed through Razer Synapse 4 Laptop Mounting Type: Magnetic memory foam seals USB Hub: 3 x USB Type A 2.0 Fan Type* : 140 mm / 5.5” High Velocity Fan Intake Mesh Air Filter Fan Speed* : Up to 3000 Fan Speed Controls: Button (Remappable) Default (Low, Med, High, Smart) Device Compatibility**: 14” to 18” Laptops Lighting Control: RGB Button – Cycle between Default Chroma Effects Power: 12V / 3A / 36W Dimensions: 15.6” x 11.5” x 4.5” / 39.6 cm x 29.2 cm x 11.4 cm Weight: 3.52 lbs / 1.6 kg Warranty: 2 years