This digital Mp3 voice recorder is with built-in 8GB flash memory
Support U disk function
Rechargeable Li-ion battery
The spy voice recorder offers a long play recording mode
Telephone recording function allows you to record detailed conversations
This digital voice recorder supports Windows 2000/XP/Vista/win7/Windows Me.Windows 98SE/Windows 98.Mac OS 9 and higher

>>Specifications: 

Recording format: WAV
Recording bit rate: 192K bps
Recording time: 2G about 24 hours, 4G about 48 hours, 8G about 96 hours.
Support system: Windows 2000/XP/VISTA/7
Flash memory: 2G-8G (Please select FAT32 system when formatting the recorder)
Battery charging time: about 3 hours (connect the USB to PC or adapter USB port.)
Power supply: recording 13 hours
Power: lithium battery
Input: DC 5V
Size: 70*21*9.4mm
Weight: 14g 

>> You'll Get:

1 × 8GB USB Spy Digital Audio Voice Recorder Pen Disk Flash Drive Memory Stick Black