Quick access to useful information water and dust resistant straight answers to spoken questions always on display 400mah battery compatible with smartphones android 4 3 and above colour black titan white gold other characteristics auto standby yes band colour white bluetooth yes bluetooth version 4 0 built in microphone yes depth 4 65 cm display diagonal 4 19 cm 1 65 display type lcd mobile operating systems supported android 4 3 processor frequency 1200 m