1.mp3 board usb sd card 2.FOB price:US $0.95-98.95/pcs 3 ... approved 4.Payment terms:T/T,Paypal mp3 board usb sd card / manufacturerWelcome to Eastwin! Our PCB board manufacture and ... PCB delivery Technical Specification For PCB Number of Layer1,2,4 or 6,upto 18 layerOrder Quantity1 to 50 ... Aluminum,Rogers,etc.Board CuttingShear,V-score,Tab-routedBoard Thickness0.2-4.0mm, Flex 0.01-0.25mmCopper Weight1.0 ...