Screen Type‎:‎ FSTN LCD full viewing screenScreen Size‎:‎ 1.12 circular screenWatch Case‎:‎ Imported high wear and tear TPUWatch Band‎:‎ Imported high toughness TPUBand Length‎:‎ 135MM / 90MMBand Width‎:‎ ‎(‎22W‎)‎Bluetooth‎:‎ 4.0CPU‎:‎ SI‎-BW03Memory‎:‎ RAM ROMStand‎-by Time‎:‎ for 12 monthsCompatible Systems‎:‎ Android Systems and Apple IOSAPP ‎(‎XWatch‎)‎ languages‎:‎ English‎,‎ Spanish‎,‎ Simplified ChineseAPP ‎(‎Sports+‎)‎ langauges‎:‎ English‎,‎ French‎,‎ Spanish‎,‎ Portuguese‎,‎ Italian‎,‎ German‎,‎ Russian‎,‎ Arabic‎,‎ Japanese‎,‎ Korean‎,‎ Chinese ‎(‎Simplified‎,‎ Traditional‎)‎Additional Functions‎:‎ Full‎-time display‎,‎ Step counting‎,‎ Burned calory‎,‎ Distance‎,‎ Alarm‎,‎ Clock Mode‎,‎ Pedometer‎,‎ Stopwatch‎,‎ Todays date‎,‎ Incoming call‎,‎ SMS reminder‎,‎ Notification Remind‎,‎ Low power‎,‎ Remote camera‎,‎ Cloud services‎,‎ Data analysis‎,‎ Target M‎,‎ Luminous dial‎,‎ Social interaction‎.‎