Rechargeable LCD Digital Audio Sound Voice Recording Pen Dictaphone MP3 Player Description： 100% brand new 128x64 pixels LCD screen to display working status and battery capacity This device works as a voice recorder and a MP3 player. With an external microphone, you can also use it as a digital voice recorder for recording lectures, meetings, interviews. Comes with a built-in rechargeable Li-ion battery and a mini USB input port, which allows you to charge the device directly through your PCs, USB port or adapter with DC5V output. Ultra-low power circuit design to achieve long time recording, this audio recorder can work continuously for up to 72 hours or more. Deletion function: Delete MP3 music files and voice files stored in the device. You can choose to delete a single file or all files. USB connection allows you to upload and download the voice files. With a built-in loudspeaker, you also can enjoy music or recorded voice without an earphone or speaker. Support automatic voltage detection and voltage protection functions, it will automatically power off after 5 minutes stand-by time. Specification: Color: Silver Shell material: Zn-Mg Alloy Size: 9.2 x 5 x 1.1 cm (L x W x H) Memory capacity: 8GB Expanded memory: TF card (expanded up to 64GB, card is not included) Recording format: WAV/MP3 Music Format: FLAC/APE/OGG/MP3/WMA LED Display: 2.0 inch Record Distance: 3-20m USB cable length: Approx. 70cm Bit Rate: 1536Kbps Max Record File Number: 999 Battery: Built-in 850mAh lithium battery Recording hours: 72hours (based on power amount and recording mode) Standby hours: 300hours Rewinding/ PREV function: Support A-B repeating function: Support Fast forward: Support LINE IN: Support Package Includes: 1x Voice Recorder 1x Charger Cable 1x User Manual