... Description i9B 3G dual sim dual stanby mobile phone ,quad band cell phone- Operating Frequency: Quad-band 850/900/1800/1900 GSM - Automatic switching ... Exposure Compensation: +/- 2.0 EV (1.0EV / step) - Scene Mode: Auto, Night - Delay Timer: 5 sec, 10 sec, 15 sec ... Display: Caller Picture, Caller Video, Ring Tone - Function during Phone Call: Speaker, Mute, Call Hold, Sound Recording, Background Sound ...