Features:  A-B repeat,fast forward, fast back.  Files will be automatically saved when power off.  Auto :set the start time and the end time.  Using professional DSP acoustic processor, built-in intelligent noise reduction chip,abilitiy to recording content accurately and clearly.  Audio recorder has metal solid case, lightweight and it is portable.    Specifications:  Material: Zinc alloy  Color:Black  Siz(LxWxH):Approx.92x35x12mm  Display: Color display  Display size: 1.44 inch TFT  Transmission interface: USB 2.0  Microphone: Capacitive  Number of microphones: Two-way  Recording distance: 20 meters  Battery: Built-in 360 mAh lithium battery  Recording time: 25 hours  Charging time: 3 hours  Frequency: 20-20KHZ  Memory capacity: 8GB    Package included:  1pc x Voice Recorder  1pc x Data Cable  1pair x Headset  1pc x Instruction Manual    Note:  1. Due to the light and screen difference, the item's color may be slightly different from the pictures.  2. Please allow 0.5-2 cm differences due to manual measurement.