①. Product Description Material: Metal + Glass Dimensions: 10.2 x 1.1 x 2.3 cm Memory: 32 GB Headphone Jack: 3.5 mm Recording Mode: Continuous Recording Supported Song Format: MP3/WAV/FLAC/APE/OGG/WAV Memory Card Type: Does not support expansion card Transmission Interface: USB 2.0 Recording Distance: 10 meters Power Mode: Built - in Lithium Battery Color: Blue, Iron Gray Quantity: 1 pc Package Contents: 1* Recording Pen (with Battery) ②. 【Recording and Voice Activated One - Key Recording】: Turn on the recorder, just press the recording switch up to start recording, then press down to save the recording. With the automatic voice detection function, the recorder is activated only when it detects audible sound, saving space and eliminating silent passages. ③. 【High - definition screen】: The screen image quality is good, running smoothly. It has a compact small body and can be put in your pocket at any time without taking up much space. ④. 【Recording with clear sound】: Built - in dual stereo dynamic noise reduction microphones, allowing you to capture clear sound. The recording quality can be set to MP3 (32/64/128/192) kbps)/WAV (512/768/1024/1536/3072) kbps, and the digital audio is played back by an external speaker, with relatively clear and loud sound. ⑤. 【Large - capacity storage and long - term recording】: 32GB capacity can store a certain amount of data (up to 1200 hours at 32 kbps). Built - in lithium battery, which can continuously record and play for a relatively long time (up to 27 hours at 1536 kbps) after fully charging (about 2 hours). If it detects a power shortage, it will automatically save, reducing the risk of data loss. ⑥. 【Multi - function recorder and MP3 player】: Suitable for various scenes (meetings, business lectures, class notes), song practice, voice control recording, monitor recording, timer recording, AB repeat function. The MP3 player supports MP3, WMA, OGG, APE, FLAC, WAV formats.