Adopt professional recording solutions. PCM noise reduction professional recording, one click recording. The A-B repeating function is more suitable for learning and recording, improving your learning and work efficiency. Timestamp function, recording files are named after the recording time. Professional SHQ recording in WAV format, high sound quality, with a bit rate of up to 1536kbps. 1.47-inch display screen, real-time display of recording and current playback information. Supports playback of audio files in WMA, WAV, and MP3 formats. Automatic shutdown and saving function for low battery recording. Drive free USB function. Automatic gain control (AGC) and recording monitoring function for recording. Built in microphone (capacitor) for recording. Intelligent voice control recording effectively saves storage space and reduces blank and useless files. Support functions such as timed recording, voice sensitivity control, and recording sensitivity adjustment. Supports recording function during charging. Mobile OTG download function. Back clip design, ultra and compact, easy to carry. Screen size: 1.47-inch TFT color screen Recording format: WAV Recording bit rate: 1536KBPS Play format: MP3/WAV/WMA Speaker: Supports Built in MIC: Omnidirectional capacitor MIC Battery capacity: 500mAh Earphone interface: type-c Charging time: 2 hours Charging interface: USB 2.0 Working hours: 48 hours Memory expansion: up to 256GB Micro-SD card (not included) Supported systems: XP&Vista/2K/ME/98 (requires driver installation)/ OS 10 Machine language: Chinese/English/French/German/Portuguese/Spanish/Russian Color: Black Material: plastic Package Contents: 1 * Recording player Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.