The Credit Card Size Digital Voice Recorder is a slimmer and a lighter one. The digital voice recorder is 6.5mm in thickness and it also has 1GB in built storage capacity with flip out USB connector and all the controls mounted in it. It is also used as a USB flash drive as well as a mp3 player. The recorded files will be saved in WAV files which’s quality is high and the copied files can be deleted within a USB storage device.
Perfect for meetings, interviews, personal notes, classroom, lectures, etc.

• Built-in rechargeable Li-Ion battery, charge via USB connection
• Memory of 1GB gives up to 69.3 hours of record time
• USB 2.0 (Full speed)
• Comes with earbuds and neck strap
• Dimensions: 3.4″ x 2.2″ x .26″ (86 x 56 x 6.5 mm)
• Battery life of about 4.5 hours record/playback

It offers you the 69hrs recording time with built in Li-Ion battery that too rechargeable via USB connection.
Via