Features: 1. for Slim/ Cooling Bracket De/Uhd Fan Base 2. Multifunctional Handle Plugs Directly Into The Charging Base 3. Universal for Slim/ 4. Multifunctional Exhaust Cooling Bracket 5. Noiseless, Powerful Heat Dissipation, Double Charging Handle Description: Input Voltage: DC 5V Input Current: 3A Handle Charging Current: DC 5.1V 800mAx2 Charging Time: 3-4 Hours Fan Speed: 3500RPM 1000RPM/Minute ( Speed 2400RPM±200RPM, Second Gear Speed 2800RPM±200RPM, Third Gear Speed 3200RPM±200RPM) Led Turning Light The Led Light Turns Red When The Handle Is Charging, And Automatically Turns Green When The Handle Is Fully . The Breathing Light On The Handle And The Led Light On The Base Can Be Observed To Observe The Charging Status. Charging Time: 3-4 Hours Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Material: ABS colour: Black Package Contents: 1 x Heat Dissipation Base 1 x Fixing Screw 1 x Headphone Hook 1 x Removable Host Bracket 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.