The volume contrast of PSP- 1000 PSP-2000 is about 170×23×74, about169.4×18.6× 71.4, and its weight is about 280g (including. About 189g (including battery) +0 ~ 333 MHz) memory 32MB 64MB screen 4.3 inches 64MB The back of the new host has been replaced with advanced paint, which is more shiny and textured. The new PSP has cancelled the useless infrared port, changed it into a wireless network switch, and cancelled the switch of UMD optical disc magazine. The new PSP uses a manual disk bin switch, and the memory slot not only has a tray, but also can change its position. The new host on the right moved the position of the external speaker to the top, which prevented the shape of the covered earphone interface from changing during operation. Moreover, the power consumption of the new PSP can be directly output through wires, and the battery capacity is also reduced. The benefit is that the weight is reduced from 280g to 189g, and even the packaging box is slimmed down. Seg broadcast only corresponds to the new host, and the old one is outdated. It is convenient to use TV and other display devices now. The output resolution is 720*480. The new interface is different from the old interface. New support interface ● Host power interface ● External power interface ● Headphone microphone interface ●USB interface ● Memory stick interface ● Main power input terminal ● External power terminal ● Picture (not available in the old model) feels that the benefits of 2000 are much lighter, because the safety factor is reduced by removing a metal frame. Power consumption is also much higher, and the picture is better than 1000. There are three levels of light and shade adjustment, which can be done by phone 1800 or so.