Double horn makes excellent sound effect Size(mm): 94.5x43.3x13.2 LCD: OLED LCD trait: 1.5 inch/65000 color/128x128 CAMERA: 30 myriad pixel(5xdigital varifocal) 64 chord Suppot MP3 display/set up the ring Support MP4 Dynamic memory space Support extend PC card Standard lithium battery Talk time: 120-240minutes(due to the condition of network) Stand-by time: 100?50 hours (due to the condition of network).