The Samsung B5702 is the first dual-standby mobile phone that also supports quad-band connectivity. The B5702 has two LED lights that show which SIM card is being used. The functionality can be customised with various themes, melodies, and screensavers to help identify easily which SIM card is in use. The B5702 easily switches between SIM cards via the hot key on the side of the phone. The Samsung B5702 allows users to check e-mails and enjoy full internet browsing, with both SIM cards. The B5702 has an audio player that supports various formats including video recording, a 3 megapixel camera and an FM radio with RDS.