... Tool: SOS function, GPS location,monitor function, watch,mobile phone,bluetooth, P3/MP4+digital frame+video player ... UDP)4: Can tracking by the PC/ platform, mobile phone and SMS.PC/ platform tracking: ~Real time ... SOS alarm, GEO-Fence alarm, low battery alarm.Mobile phone tracking: ~Suit for Iphone and Android OS ... call the admin phone no. to have a two-way conversation by SMS.5: Support MP3, MP4 player ...