... /U disc/ Bluetooth (file transmission, voice, stereo)Standby Photo: jpg, gif Main featuresTelephone directories: 300 groups of contacts ... on/off: support auto start/close, can set user-defined photo of starting/closingAlarm clock: 5 groups; can set ... multi-frequency, standard USB interface, telephone recording, multi-calls, photo editing, sound recording, melodize, self-designed ring tones, calculator ...