One-touch recording: Slide the recording switch on the left side up to start recording, allowing you to begin recording without looking at the device. Recording can be initiated even when the device is powered off. The mini recorder features dual stereo microphones with noise reduction technology, enabling it to capture sound from any direction, reduce background noise, and clearly record distant and subtle sounds. Supports high-quality audio recording with a bit rate up to 1536 Kbps. Offers five sound quality levels with bit rates ranging from 256 to 1536 Kbps. MP3 player functionality: Add your favorite music to the playlist and use the device as a portable music player. Supports multiple audio formats including MP3, WMA, WAV, OGG, APE, FLAC, and AAC. Up to 22 hours of continuous recording: Fully charges in approximately 2 hours. After a full charge, it supports about 22 hours of continuous recording. Includes low-battery automatic save feature, which ensures recordings are saved automatically if power runs out unexpectedly. Equipped with advanced features including brightness adjustment, date and time stamping, multi-language support, split recording, scheduled recording, built-in recording modes, auto-save function, and OTG compatibility. Recording formats: WAV, MP3 Recording bit rates: 32, 128, 512, 1024, 1536 kbps Music formats: WAV, MP3 Sampling rates: 16 kHz, 48 kHz Frequency response: 2020,000 Hz Microphone: Omnidirectional Battery capacity: 260 mAh Lithium battery supports up to 22 hours of continuous use Operating temperature: -10C to 40C Storage capacity: 16 GB Color: Black Material: Plastic Package Contents: 1 x Digital Voice Recorder Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement may vary by +/- 1-3 cm.