Parameter: Color:Black Size:45*17*6（mm） Shell material: Zinc alloy Hardware Interface：USB Format：MP3 Audio Number of Batteries：1 Lithium ion batteries required. (included) Memory Storage Capacity：32 GB Item Weight:7.6 Grams Battery Life:13 Hours Description: 1. One-Key recording / saving,recorder host playback with earphone. 8G/16G/32GB large capacity for your chossing, store 375 Hours of recording files. 2.With our included Micro-USB/Micro-USB adapter, view/delete files directly on for Android Phone/ MAC/Windows Computer (Not for compatible with iPhone). 3. Automatic Save / Data Protection,detect the low battery power and save automatically.Time Stamp,recording files are named according to date and time for easy searching. 4. DSP ten-core digital intelligent noise reduction, filter noise automatically to get clearer sound. 5.Voice Activated Function,factory defaults to close it ( VOR = 0) ,to protect important recording without missing. 6. Ideal for memos, lectures, meetings, interviews and more. It is a wonderful gift for teachers, students, lawyers, writers, etc. Packing list: Voice recorder*1 Headphone*1 Charging cable*1 Manual *1 Note: 1.Please allow slight size deviations due to manual measurement,measuring methods and tools. 2.The picture may not reflect the actual color of the item because of different photographing light and display monitor.Thanks for your understanding. One-Key recording and saving with recorder host playback using earphones Available in 8GB, 16GB, and 32GB capacities, capable of storing up to 375 hours of recording files Includes Micro-USB/Micro-USB adapter for direct file viewing and deletion on Android phones, MAC, and Windows computers (not compatible with iPhone) Automatic save and data protection features detect low battery power and save recordings automatically Time stamp functionality names recording files according to date and time for easy searching