1. Use the high-definition recording mode, which can support recording files in various formats, including MP3 and WAV, etc., to make your recording clearer. 2. Support up to 999 recording files, so that you can easily record important content. 3. Does not support expansion card type storage, but equipped with USB 2.0 interface can quickly realize data transmission, which is convenient and quick. 4. Using a high-quality two-way microphone, it can achieve a recording distance of 10 meters to 20 meters to meet different recording needs. 5. The product design is made of lightweight PC environmentally friendly plastic material, and is equipped with a monochrome display. The size is 94*33*10 (mm), and the weight is 141 (g). It can be used as a personal gift for various occasions, such as weddings , birthdays, festivals, housewarming, etc.