This recording device supports high-definition mode, the recording format is WAV, the recording time is up to 420 minutes, and the maximum number of recording files is 999, which can provide users with sufficient storage space. Since no expansion memory card is supported, users are advised to prepare sufficient storage space in advance. The device adopts a two-way microphone design, which can support recording within a range of 5-10 meters, which can meet the daily recording needs. The outer shell is made of zinc alloy, which is very comfortable in texture, durable and not easy to damage. At the same time, the product size is 83x25x11 (mm), and the overall weight is only 51g, which is very convenient to carry. The USB 2.0 transmission interface makes the data transmission speed faster and more stable, which will be very practical for those users who need to transfer data quickly. At the same time, the device also supports business people, public security personnel, lawyers, reporters, clerks, training lecturers, students, security personnel, family caregivers, security officers, security personnel and other groups of people. Finally, the device can also be used as a gift, which is very practical for housewarming, trade fairs, advertising promotions and other occasions.