Detailed Product Description i9B 3G quadband mobile phone ,quad band cell phone- Operating Frequency: Quad-band 850/900/ ... Grayscale, Sepia, Sepia Green, Sepia Blue, Color Invert, Gray Invert, Blackboard, Whiteboard, Copper Carving, Blue Carving, Embossment, Contrast, Sketch ... Caller Picture, Caller Video, Ring Tone - Function during Phone Call: Speaker, Mute, Call Hold, Sound Recording, Background ...