... Cloned and deleted freely between U disk, SD card or portable hard disk, no need computer but same function as computer ... , setting time will be accurate to seconds 7. microphone Kara OK: Human voice automated affinity. Micro-phone output sound is adjustable in ... , digital tuning, automatic station search, accurate and clearly 10. Bi-amplifier high power: bi-amp high-power chips, 4CH audio output ...