Chord ringtone :16 chord ,support (NB-AMR)；MIDI；MP3；NRT；True Tones (WB-AMR) format ringtone file . Inner game :JavaTM game and application software Java extension : Java MIDP 2.0，and also support CLDC 1.1；Wireless Messaging API (JSR-120)；Mobile Media API (JSR-135)；FileConnection and PIM API (JSR-75)；Nokia UI API Wap brower : WAP 1.2.1/WAP 2.0 www brower: XHTML over TCP/IP network frequency : 900/1800；GSM/GPRS home screen frequency :65536 colorful screen 128×160 pixel picture download optional color :black ,silver ,blue dimension : 88×44×24mm manipulation system : Nokia OS(Series 40 2.0) e-mail szwinstar-2 at live dot cn webside www dot szwinstar dot net