Fangrui Product Details Fangrui Product Details Fangrui Product Details 10 X 50-55kh/s (total 550kh/s) Miner Combo Kit! The Usb Hub Powers The Usb Cable. It Is Recommended That Customers Plug In The Power Plug Before Use To Ensure Sufficient Power!(power Plug Not Included) Customers Are Advised To Use A Fan To Blow Air From The Side To Achieve Better Heat Dissipation And Maintain System Stability.(fan Not Included) High Efficiency: Low Consumption Greatly Reduces Your Cost! Due To Different Batches, There May Be Differences In Product Appearance, Color, And Printed Text, Which Will Not Affect The Use. Colour:black Material:plastic Package Contents: 10 * Miner 10 * Usb Adapter 1 * Usb Hub 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.