Features: DSP dynamic noise reduction processing module, intelligent noise reduction, high sensitivity, clearer sound. The appearance is simple, fashionable and beautiful, small size and portable. One button recording, easy to operate, convenient and fast. Build in large capacity battery, with strong recording endurances. Suitable for business meetings, course learning, training, interviews and more. Specifications: Material: ABS Size: approx. 2.5x10cm/0.98x3.94inch Memory: 16GB, 64GB(optional) Main control: with noise reduction function Screen: 0.96inch color screen Appearance: Artificially design for easy operate Battery: 180mAh Battery recording time: approximately 20 hours Recording way: Normal and voice activated (voice activated) Port: Type C Package Includes: 1 Piece Digital Voice Recording Pen note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.