I purchased it for approximately 3,200 yen. You can find information by searching "OFIYAA V82" on the internet. It is new and unused. Formats: MP3 audio, WMA Headphone jack: 3.5 mm Battery: Lithium-ion battery [The industry's thinnest! A new and improved voice recorder for Reiwa 3 (2021) is here!] Based on years of research and customer feedback, we have finally completed the development of the ultra-thin voice recorder "V82" that can record with one button. [The secret to long recording: Large capacity built-in memory 16GB + 210mAh high-quality battery] The built-in memory capacity of the IC recorder is a generous 16GB, allowing for a maximum recording time of approximately 1160 hours. With a 210mAh high-quality rechargeable battery and low power design, continuous recording is possible for up to approximately 42 hours on a single charge.