The recorder has a built-in 32GB internal memory that can store 48 hours (WAV 1536 kbps) to 2320 hours (MP3 32 kbps) or 4000 songs (music mode) recordings (voice mode). Built-in 400mAh rechargeable lithium battery, supports up to 30 hours of continuous recording after a single full charge. Charge or transfer files via the included -USB cable. The perfect recording device for speeches, meetings, interviews, classes, journalists and more. Portable audio recorder, equipped with professional recording chip, built-in dual dynamic noise reduction microphones, effectively reducing background noise, supports stereo recording up to 1536kbps. External microphones are supported. External speakers can directly play recordings and music. Files are saved in MP3/WAV format. The recorder can also be used as a Windows- and -compatible MP3 player or flash drive. Voice activated voice recorder, when the "VOR" function is activated, the sound is automatically detected during the recording process. When the sound falls below a certain decibel level, the recording will pause after about 2 seconds. When the sound reaches the decibel level, the recorder will start recording again. It can avoid invalid recording and save recording time and capacity. Note: The "VOR" voice control function must be turned on in the "Setup Mode" to achieve this function. Simple operation, easy to use, one-key recording or saving, easy to operate. Turn on the recorder and slide the "REC" button up to start recording. When the recording is finished, swipe down the "Save" button and the recording will be saved. Colour:black Material:Metal + Plastic Package Contents: 1 * Voice recorder 1 * Charging cable Notice: 1. Do not disassemble the recorder. 2. Please do not put this recorder in water or any other liquid. 3. Please do not use this recorder in a hot, humid or dusty environment. 4. Please charge the recorder before use. If the device shows that the battery is low, please charge it in time. It is best to charge the device at least once every two months, so as not to damage the battery if you do not operate the device for a long time (the device will stop working) Only the above package content, other products are not included. Note: Light 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.