Olympus VP-20 Black Internal memory

Compatible battery sizes: AAA | Number of folders messages: 1 | Software version: Olympus Sonority | Languages support: English | Output power: 90 mW | Built-in memory capacity: 8 GB | Loudspeaker diameter: 1 cm | Recording battery life: 36 h | Display size (HxV): 6.9 x 22.2 mm | Number of messages per folder: 999 | Tape speed selection: Yes | USB 2.0 ports quantity: 1 | Battery life (max): 50 h | Windows operating systems supported: Windows 8.1 | Backlight: Yes | Windows operating systems supported: Windows 10 | Number of built-in speakers: 1 | Windows operating systems supported: Windows 8 | Audio formats supported: PCM | Audio formats supported: WAV | Audio formats supported: MP3 | Depth: 17 mm | Media types supported: Internal memory | Height: 17 mm | Product colour: Black | Harmonized System (HS) code: 85198900 | Built-in speaker(s): Yes | Width: 130 mm | Battery technology: Alkaline | Mac compatibility: Yes | Material: Plastic | Headphone out: Yes | Built-in microphone: Yes | Mac operating systems supported: Mac OS X 10.14 Mojave | Mac operating systems supported: Mac OS X 10.10 Yosemite | Mac operating systems supported: Mac OS X 10.12 Sierra | Maximum recording time: 2100 h | Impedance: 8 Ω | Interface: USB | Backlight colour: White | Display type: LED | Mac operating systems supported: Mac OS X 10.11 El Capitan | Weight: 37.5 g | Number of batteries supported: 1 | Recording modes: Pulse-code modulation (PCM) | Built-in display: Yes | Display diagonal: 2.34 cm (0.92")