... -screen supports full-screen handwriting input 2 Bluetooth 3. Ringtone: 64 chord; Ringtone format: mp3, midi 4.Data Transfer: data wire/U ... to Sunday at random12.More information: MP3, Handsfree, SMS group sending, Voice recorder, WAP, Handwritten input, Bluetooth, GPRS download, MMS, tri-band ... -120HoursTALKING TIME About 2-3Hours World Smallest Phone Watch With Bluetooth Mp3