2. Files will be automatically saved when power off.     3. Auto record:set the start time and the end time.     4. Using professional DSP acoustic processor, built-in intelligent noise reduction chip, abilitiy to capture recording content accurately and clearly.     5. o recorder has metal solid case, lightweight and it is portable.     model:8GB / 32GB / 16GB     size:9.2*3.5*1.2cm     Material:metal     colour:black     Package Contents:     1 * Voice Recorder     1 * Data Cable     1 * Headset     1 * Instruction Manual     Only the above package content, other products are not included.     Note: Light shooting 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.