One touch record; High-sensitive microphone; Vibrating Speakers; REC timer setting and Checking balance time; Two Record Types: HP,LP; Recording Time 8GB: 136hrs--HP(format:mp3) Voice-activated recording(VOR) Variable speed playback Support MP3 playback, A-B repeat Screen: dot matrix support multi-language Material:ABS plastic Power Supply:310mah Rechargeable Li-battery Recording duration after full recharge: About10hrs-HP One sensitive microphone Record format:MP3-128kbps Memory:External TF card up to 32GB Weight:27.2g