1. A-B repeat, fast forward, fast back. 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. Audio 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.