2 . 2 5 x ▁digital ▁zoom ▁ ▁Qu ad - band ▁G PR S / ED GE ▁support ▁ ▁Internet ▁browser ▁ ▁MP 3 , ▁W MA / A AC ▁play back ▁▁ 7 7   MB ▁internal ▁memory , ▁expand able ▁with ▁memory ▁stick ▁micro ▁slot ▁up ▁to ▁ 2 ▁GB ▁ ▁FM ▁radio ▁with ▁R DS ▁and ▁track ▁ID ▁music ▁recognition ▁ ▁Bl uetooth ▁ 2 . 0 ▁with ▁support ▁for ▁s tere o ▁sound ▁output ▁( A 2 DP ) ▁ ▁Java ▁M ID P ▁ 2 . 0 ▁based ▁from ▁Sony ▁Eric sson ' s ▁Java ▁Platform ▁ 7 ▁ ▁Real ▁mult it ask ing ▁( run s ▁up ▁to ▁ 5 ▁Java ▁applications ▁at ▁one ▁time ) ▁ ▁S AR ▁ 1 . 2 5 ▁W / kg ▁( 1 0 g ) ▁▁ 2 6 2 k ▁color ▁T FD ▁L CD ▁( th in ▁film ▁di ode ) ▁ 1 7 6 ▁x ▁ 2 2 0 ▁pixels ▁Li - Po ▁ 9 5 0 ▁m Ah ▁( stand by ▁time ▁of ▁ 3 5 0 ▁hours , ▁ 7 ▁hours ▁of ▁talk ▁time ) ▁ ▁Design ▁The ▁K 5 5 0 i ▁design ▁is ▁similar ▁to ▁other ▁models ▁in ▁the ▁cy ber - shot ▁range , ▁but ▁it ▁is ▁sl immer ▁than ▁its ▁prede cess ors ▁the ▁K 7 9 0 ▁and ▁K 8 0 0 . ▁Its ▁keyboard ▁layout ▁is ▁also ▁red es igned ▁relative ▁to ▁those ▁models ▁ ▁Mod ifications ▁ ▁Just