32GB Mini USB Pen Voice Recorder Digital Voice Recorder With Mp3 Playe Recorders Digital Micro Audio Sound Recording Device Charging Time: About 1 hours Working Time: About 7 hours on one Charge Can store up to 96 hours of audio(Related to memory size) Charging: Connect the USB interface to computer.Digital Voice Recorders that are compact and pocket sized, unobtrusive and simple to operate Clear Voice RecordingYou can use it as a portable audio recorder to record anything, or simply use it as a MP3 player to listen to your favorite songs.Straightforward operation – Features auto save so your recordings are saved instantly, when the earphones are plugged in, it automatically enters playback mode and you can review your file. 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 time means charging full. The total charging time is around 1 hours. 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