Variable Speed Playback & A-B Repeat: Language learners can adjust the playback speed of the recording to listen to the pronunciation and intonation of each word. The "A-B Repeat" function allows for repeated listening to specific sentences or paragraphs, facilitating a better understanding and learning of foreign languages85 Hours Ultra-Long Recording & 1100mAh Powerful Battery: After being fully charged via the USB Type-C interface, the long battery life voice recorder can sustain continuous recording for up to 80-85 hoursVoice Activated Recorder: Turn on the AVR voice activated function, record only when speaking, reduce silence and whispered clips, save memory and power. Easily record your meetings, interviews, speeches, classes, lecturesSimple Yet Powerful: Easy to understand, slide up the recording button: start recording; slide down: save recording. This metal-housing audio recorder with playback also features: password, timer recording, Line-in... 2 Years Warranty & Packing List: Customer's benefits come first! Package includes: 1*128GB voice recorder, 1*usb-c cable, 1*3.5mm transcription cable, 1*manual, wrapped securely in film.