... 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 Server ... GPRS, Wireless LANPrint Option: Via Bluetooth, PictBridge plastic mobile/cell phone keyboard with bluetooth