Brand NO Model VR106B Quantity 1 Color Black Material Aluminum Alloy Internal Storage 4 GB Memory Card Type TF Max Extended Capacity 16 Recording Time 2 Hour Record Audio Format WMA Audio Formats MP3 Built-in Speaker No PC Interface mini USB2.0 Battery 200mAh Power Supply DC 5V Other Features Voice recording mode: low quality recording (32Kbps); high quality recording (128Kbps) Microphone Maximum output: 300mW / 16ohm; Frequency Response: 500Hz ~ 3500Hz Interface: 1 x TF card slot 1 x mini USB2.0 1 x 3.5mm MIC port 1 x 3.5mm earphone port Supports Windows 2000/XP/Mac OS 10.X/Linux Kemel 2.4.2 Packing List 1 x Digital voice recorder 1 x USB cable (75cm) 1 x Earphone cable (95cm) 1 x Chinese user manual 1 x English user manual