This is the official user manual for US Cellular Samsung Chrono 2.
Samsung Chrono 2 (AKA amsung SCH-R270U) is a basic feature phone with 2.2″ QVGA display(240 x 320 Pixel)
The device supports music files includes AAC, AAC+, eAAC+, MIDI, MP3; Ringtones, Polyphonic, 72-note; MP3/Music Tones. It supports bluetooth Bluetooth® Profiles, A2DP, AVRCP, DUN, FTP, HFP, HSP, OPP (vCard only), PBAP.
Samsung has update the US Cellular Samsung SCH-R270U (Chrono 2) user guide (ver.FE01_F3).
Where to get Support for Samsung SCH-R270U (Chrono 2) Cell Phone: