Detailed Product Description i9B 3G quadband mobile phone ,quad band cell phone- Operating Frequency: Quad-band 850/900/1800/1900 ... Settings - Play List, Repeat, Shuffle, Background Play Display Settings: Skin, Lyrics Display - Sound Effects: Equalizer, Play Speed, Audio 3D ... : Caller Picture, Caller Video, Ring Tone - Function during Phone Call: Speaker, Mute, Call Hold, Sound Recording, Background ...