Product description Specification: 8GB Memory: Easy Use, Plug in and Play, No Drives Needed Support U Disk Charging Time: About 1 hours Working Time: About 10 hours on one Charge Can store up to 96 hours of audio Charging: Connect the USB interface to computer. Operation Instruction: MP3 Conversion: Insert the headphone into, and short-press Button (-) to convert MP3 playing mode when the indicator light turns red and flashes up slowly. Charging Recording：When recording, insert a USB cable intoto connect the computer or the power supply, which means it is charging for recording. When charging, both the red light and the blue light flashes up and the latter staying on for a long timemeans charging full. The total charging time is around 1 hours. Time Synchronization：When connecting the computer via USB, open the drive to run the application, SetTime.exe, synchronizing the time. Right-click this file to view the property and the recording time. Connecting the Computer：Inserted a USB cable into to connect the computer and find the right drive to save and open files. Package Included: 1 x Mini Recorder 1 x Headset 1 x USB Cable 1 x User Manual Long Recording Time Ultra Small but Powerful 8GB INTERNAL MEMORY 96 HOURS STORAGE CAPACITY EASY CHARGING & LONG RECORDING TIME