The V508 digital audio recorder stores recordings in its 40 GB internal memory, which can be expanded with a microSD card up to 32 GB. Recording can be activated by voice or by pressing a button, and files can be played back through the built-in speaker. It supports MP3 music playback and can be used to store files.

The rechargeable lithium battery has a capacity of 700 mAh and provides up to 15 hours of recording or approximately 12 hours of playback. The device features low-battery indication, file deletion and password protection for recordings. Recordings are saved with the time in hours and minutes in 24-hour format.

• Internal memory: 40 GB
• Memory expansion: microSD card up to 32 GB
• Voice-activated recording: Yes
• Recording format: WAV, MP3
• Recording bit rates: 1536 kbps, 1024 kbps, 512 kbps, 128 kbps, 64 kbps, 32 kbps
• Speaker: Built-in
• Music playback: MP3
• File protection: Password
• Recording timestamp: Hours and minutes, in 24-hour format
• Functions: Recording monitoring, bookmarks
• Battery: Rechargeable lithium, 700 mAh
• Recording time: Up to 15 hours
• Playback time: Approximately 12 hours
• Material: Metal
• USB-A port: Yes
• Dimensions: 110 x 32 x 14 mm
• Weight: 73 g
• Color: Black
• Package contents: Earphones, USB charging and file-transfer cable, user manual