Features:
Digital voice recorder and music player with high quality sound.
One-touch recording, high efficiency for class, interviews, meetings, lectures, etc.
High grade built-in microphone, allows you to record detailed conversations.
Built-in rechargeable lithium battery, offers up to 20hrs continuous recording (fully charged).
Supports 8GB/ 16GB/ 32GB memory card (not included).
Small body, easy to carry and hide.

Specifications:
Color: Black
Material: Metal
Recording Format: WAV
Music Format: WAV
Playback Formats: WAV, MP3
Power Supply: Li-ion battery
Recording Time: 20 hours (fully charged)
USB Port: USB 2.0
Frequency Response: 20Hz-20KHz
Working Temperature: 0~40?
With Speakers: Yes
Balanced Out: Yes
Capacity: No capacity (supports 8GB/ 16GB/ 32GB TF Card)
Compatible System: Windows XP, Window Vista, Windows 7, Windows 8
Item Size: 7 * 1.8 * 1.1cm/ 2.7 * 0.7 * 0.4in
Item Weight: 34g/ 1.2oz

Note:
This digital voice recorder needs to work with a memory card (not included). Supports 8GB/ 16GB/ 32GB TF card.