1. Easy to use with one-button recording 2. Can record while charging 3. High-quality audio recording 4. Compact and portable design 5. Note: Device does not have built-in memory; requires a separately purchased TF card, supports up to 32GB (memory card not included) Specifications: Size: approximately 70 x 22 x 10 mm Memory: supports up to 32GB TF card (not included) Recording Format: WAV Recording Time: up to 70 minutes Battery: Built-in rechargeable lithium battery PC Interface: USB 3.0 Battery Life: up to 13 hours Audio Output: Playback via computer System Compatibility: Windows 7, XP, Windows 8 or later Color: Black Material: ABS Package Contents: 1 x Audio Recorder Note: The package includes only the items listed above. Other accessories are not included. Note: Slight color variations may occur due to lighting and display differences. Measurement error is +/- 1-3 cm.