Heatsink Metal Case for 5 5B Pure copper material, heavy-duty copper heat sink, , long-lasting Support fan installation Provide thermal pads for both CPU,RAM,USB chip and network module, making better heat dissipation. Acrylic base. Please tear up the protective film on the of acrylic when you use it. Different batches may have different appearance, which does not affect use. Material: copper Color: as shown Package Contents: 1x Heatsink Metal Case 1x Fan 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.