... 2) ISO9001:2010 3) company logos accepted plastic mobile/cell phone keyboard with bluetooth1) size:10*10*52) ultra-thin ... keyboard3) GSM Compatibility Frequencies 850MHz, 900MHz, 1800MHz, 1900MHzMessaging Types: SMS Text Messaging, MMS Picture Messaging, Chat, Email, Voice Mail ... and transfer slot, TV Antenna, front and rear camera lens, rear camera flash, 7 action buttons, 4 way navigation button, ...