Product details Specifications: Using time:20 hours Charging time:5 hours Temperature:5A?A? 40A?A? Frequency:8KHZ --48KHZ Actual maximum output aaLs 300mw Music format: MP3A?A?-320Kbps WMAA?A?2-192Kbps Battery :3.7V/200MA grade A lithium battery TF card: Up to 32GB (not included) Screen:1.2 inch (OLED ultra HD) Micro USB: Speed 2.0 Weight:120 grams Dimension: 722012MM Package: 1x Voice Recorder 1x User Manual 1x Data Cable 1x Earphone 1.Simple designed,easy to use.The most user friendly voice recorder designed ,all operation buttons on the front side,operational logic like smart phone.You will master this machine in the shortest time. 2.Easy to Carry:This hard case is lightweight and compact to fit in your backpack, carry-on or luggage for improved traveling protection 3.Well-made excellent gift to family and friends