Support record time and record.Sound control function (VOR) 7RQ modes: NOP, ROCK, POP, CLASSOL, SOFT, JAZZ and DBB Double Microphone Corporate with Noise Reduction to Get the Message in 40 Feet Through without Straining Recording Format: MP3,WMV Recording Bit Rate: 1536 Kbps Recording Save:High quality recording for 96 hours / normal recording for 136 hours Recording Source: Telephone recording, Built-in MIC Battery: 230mAh(Can Recording about 15 hours) Product size (L x W x H): 3.8 x 1.3 x 0.48 inch Colour: As Shown Material:ABS Memory: 16GB Package Contents: 1 * Voice Recorder 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.