Charges with Type-B (cable not included). *Operation confirmed. *No price negotiations, please. ----------------------- Adopts an 8-core noise reduction chip and advanced noise-cutting technology, enabling recording with 1536kbps sound quality. Features one-button recording; simply slide the recording switch on the side to immediately enter recording mode, ensuring you don't miss sudden recording opportunities like interviews or meetings. Supports variable speed playback, A-B repeat function, and MP3 music function. Compatible with MP3 and WMA formats, allowing you to effectively utilize your free time by listening to language learning materials during your commute to work or school.