Brand NO Model VR102 Quantity 1 Color Black Material Plastic Internal Storage No GB Memory Card Type TF Max Extended Capacity 16GB Recording Time 12 Hour Record Audio Format MP3 Audio Formats MP3 / WMA Built-in Speaker Yes PC Interface mini USB2.0 Battery 400mAh Other Features Microphone Maximum output: 300mW / 16ohm; Frequency Response: 500Hz ~ 3500Hz Support TF card up to 16GB Supports Windows ME/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 3.5mm audio cable (97cm) 1 x Telephone cable (35cm) 1 x earphone cable (95cm) 1 x Telephone Adapter 1 x Lithium battery 1 x Chinese user manual 1 x English user manual