9016SU Digital Voice Recorder Features Design: light-weight, small, slim, sleek & fashionable design Recording time: 16hr 40min (LP Mode) 7hr 40min (SP Mode) 5hr 30min (HQ Mode) Recordable Files: Records up to 396 files of messages 99 messages per folder Arrangeable into 4 folders Easy to Use Functions Key-lock Function write protect lock to prevent accidental recording Downloadable to PC Computers via USB. Records Telephone Conversation capable of recording telephone conversation with simple connection - spy equipment for security surveillance Recordable To & From External Devices capable of recording from external devices such as audio player & computer LCD Display highly visible display of all operating status LED Indicator easily distinguish Play and Record Mode Auto Play Search goes over next message after playing for 5 seconds for each message Auto Power Save Function Repeat play function Section repeat play function Rapid message search function Beep sound set function Display remained recording time function Playback Speed Control Mike sensitivity choice of HI / LOW Included DC5V USB Power Supply Port connect DC5V power adapter to this port for long recording VOX/VOR automatically switch off if there is no sound input while in Recording mode and starts recording again when there is sound input Perfect Gift Item the affordable price, unique shape and design makes it an ideal gift All Accessories Included: - 2 AAA Batteries - cable - external microphone - earphone - telephone adapter - PC software - USB cable - USB Power Supply Port - DC4.5-6V