One touch record. PCM hi-fi record quality. Set the record light on or off. Delete record folder on the device, Save the record file when low battery, A-B repeat function, Check balance time for recording. Support USB and MP3 function. 32GB record time: 550hours for MP3 format. 184hours for PCM record. Screen: Dot ulti-language Material:Zinc alloy metal Power Supply:250mah Rechargeable Li-battery Recording duration after full recharge 8hrs-MP3 (128kbps) One sensitive microRecord format: MP3 Memory: External TF card up to 32GB Weight: 54.8g