Feature: 1. Large Memory and Long Battery Life: This recorder is equipped with 16GB memory and 2500mAh battery, which supports continuous recording and stores up to 192 hours of recordings. Fully charged, 3‑5 days of continuous recording, 15‑20 days of voice activated recording, no need to worry about battery life. When battery power is low, data is automatically saved, which is more secure and avoids file loss. 2. One Key Recording: Simple one key operation, easy to use. Slide the switch to record or save. With voice activation function, it will automatically start recording when noise is detected, avoiding unnecessary space occupation. 10m microphone sensitivity. 3. Strong Magnet: This portable recorder is equipped with a strong magnet that can be easily attached to metal surfaces. With magnet function, you can fix the recorder on the sofa, table, car, etc. 4. Convenient Recording File Management: This digital recording device has a time stamp function. The recording files are named in the format of date and time, which is convenient for file search and management. It can play recordings on a computer or listen to the recordings with the included headphones. 5. Wide Application: Can be widely used in classrooms, conferences, interview recording, MP3 music playback, etc. This is a great gift for teachers, students, lawyers, writers and more. Specification: Item Type: Digital Voice Recorder Material: Zinc Alloy Gross Weight: 173g / 6.1oz Recording Format: WAV Body Memory Capacity: 16GB Playback Format: MP3 WAV WMA Recording Method: One click recording Battery: Built in lithium battery, capacity: 2500mAh (shipped with built in battery). Package List: 1 x Recorder1 x USB Cable1 x Headphones1 x Manual Note: During the recording process, please do not connect to the computer, otherwise the recording file will be lost.