8 GB Internal Memory: Allows up to 30 hours of continuous recording (full battery). Use as an 8 GB flash drive or USB voice recorder to store all your music, data, and of course all your recordings. Your audio files are stored as WAV files on the device for easy playback via any media player. Multiple Features: Rechargeable mini digital voice recorder and MP3 player, phone conversation recorder, USB storage flash drive supporting WMA-, ASF- and WAV formats. Easy to Use: The handheld voice recorder is compact and fits in almost any pocket. It's easy to switch between a digital voice recorder and an MP3 player. Very user-friendly interface. Trendy and Durable: Distinct exterior design with a strong built-in lithium battery. Rechargeable, eco-friendly—making this voice recorder trendy, durable, and sweat-proof. Perfect for students, authors, professionals, and anyone who needs it! Wide Range of Applications: It's an excellent recording device for lectures, meetings, business negotiations, doctor's advice, evidence collection.