1. The recording time is up to 4341 minutes, which can meet your long-time recording needs. 2. Support up to 999 recording files, which is enough to store the content of your multiple recordings. 3. Built-in chip storage, no need for external memory card, easy to use and faster access speed. 4. Equipped with LCD display, you can intuitively check the recording status and file information. 5. Using a one-way microphone, it can achieve a recording distance of 20 meters, and is equipped with a noise reduction function to ensure the recording quality. 6. Video recording is not supported, only audio recording is supported. 7. Equipped with a lithium battery, which can be used continuously for long-term recording. 8. The outer casing is made of copper, which is durable and can effectively prevent damage. 9. The size of the product is 118*47*43 (mm), and the weight is only 41 (g), which is easy to carry and use. 10. Suitable for personal use, or as a personal gift for friends or relatives, suitable for weddings, birthdays, festivals, housewarming and other occasions.