Mouse pad calculator with USB HUB--PSUH920 4 usb ports Interface Option USB 2.0 & USB 1.1 Dimension 27x18x1.4 cm Certification Rohs - Ce Transfer Rate 480Mbps Packaging Details: Carton size:41.2*32*25CM Qty/Carton:20PCS
Mouse pad calculator with USB HUB (U1227)