Color Silver Built-in Memory 4GB Model V18 Material Aluminum alloy Quantity 1 Piece Shade Of Color Silver Supports Card Type OthersNo Record Audio Format WAV Audio Formats MP3WMA Built-in Speaker Yes Recording Time 27h Built-in Battery Capacity 230 mAh Plug Specifications US Plug (2-Flat-Pin Plug) Power Supply 5V Headphones Included Yes With Clip No Other Features Display: 0.7" LCD screen; Interface: 1 x USB2.0 1 x earphone jack; Supports MP3 player Packing List 1 x Voice recorder 1 x 100~240V power adapter (2-pin flat plug) 1 x Earphone cable (80cm)