Nikon CoolPix S640 IS Digital Camera
Along with S570, Nikon has another new compact camera, the CoolPix S640 IS that offers similar features. The S640 IS serves as the successor to the CoolPix S620 and S630.
HTC Iris (S640) CDMA PDA Phone
HTC Iris (S640) is a PDA phone that supports CDMA 1x-EVDO Rev.A network. Iris (S640) features a 2.4-inch LCD display, a 2 Megapixel camera, 256MB ROM, 64MB RAM, gpsONE and QWERTY keyboard. ...