... rearview mirror 1,two stereo speaker 2,backlit button. 3,fasion design 4,voice dialier Model ... all contact list one off.The backlit button---Very usefull in night,also for fashion. ... download one off, Microphone, Stereo Speaker, Li-ion battery, SD port, Wireless earpiece, MP3 player. Feature:1 ... and stereo loudspeaker.6. Built-in Li-ion rechargeable battery support 8 hours talking and 120 hours standby ...