Efitty 8GB Digital Audio Voice Recorder Rechargeable Dictaphone USB Drive MP3 Player Black Built-in LCD display,you can see the working status,easy to control.High-speed data connection with USB 2.0,no need of driving. Flash memory up to 8GB, can record high quality voice for several hours (based on recording mode and battery amount). Built-in Li-ion battery, Can be charged directly through PC USB or adapter with DC 5V output. Support multiple audio(EQ) Audio playback in multiple formats.VOR voice control recording. Auto power off/ Power function.Previewing / searching play.A-B repeat function previewing / searching play