One-click Recording & Save, Big Screen, Easy OperationOur digital voice activated recorder with playback only need one-click then could start recording, and it with 1.7-inch HD display screen, clear and bright, support A-B repetition, sound playback, playing MP3, APE, WAV, FLAC and other audio formats, variable speed playback, timing auto recording, DSP noise reduction chip, support for 6 languages and easy file transfer.High-quality Audio & Noise ReductionIt utilizes advanced noise reduction technology that filters out unwanted background noise and improves the clarity of your recordings. You can focus on the content of the call without worrying about the interference of background noise.128GB Massive Memory, 9000 Hours Audio StorageThis digital voice recorder with 128GB massive capacity, could store 30,000 hours of songs or 9000 hours of recording files without the need for an additional TF card. This perfect voice recorder is great for professionals, students, journalists, and anyone who needs to record and store lectures, meetings, and interviews.400mAh Long Battery LifeThe digital audio recorder with 400mAh battery, could support about 30H contunte record, when battery is low it will auto save the date. Recording program with time stamp, easy to find recorded files, easy file management.Support Line-in Recording& with Bluetooth Our voice recorder device support line in recording, with a clip-on mic, which can be connected to external audio sources for internal recording, and It can be connected to mobile phone for call recording, you can record important calls.