Features: brand new and high quality Digital Noise Reduction Technology: Effectively restore the original sound clarity, greatly reduce environmental noise, and allow users to hear the recording more clearly. One-key Recording: Record when power on, save when power off, simple operation. Intelligent voice control, voice recording, silent stop, save space and improve efficiency. It supports recording while listening, and you can grasp the recording effect in real for time. Long standby for time, it can record sound continuously for a long for time. Support a Variety of File Formats: Support WMA/WAV/MP3/OGG and other audio file playback, allowing you to enjoy high-definition voice when you plug in the headset. Convenient to Carry and Carry: The mini keychain shape is convenient to carry and carry. U disk function, 32G/64G memory capacity to choose from. Wide Range of Uses: It can be used as a tape recorder or as a keychain, suitable for classroom learning recording, business meetings, etc. Specifications: Material: ABS Capacity: 32GB, 64GB Color: Black, Silver Product Dimension: approx. 70x23x8mm/2.76x0.91x0.31inches Net Weight: 140g/0.31lbs Package Includes: 1PC Professional Recording Pen Keychain note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.