USB Voice Recorder 32GB Mini Digital Sound Audio Recorder Dictaphone with Dual USB for Lectures, Meetings, Class, and More. USB Rechargeable, 15 Hours Continuous Recorder (Black)About this item【Upgrade to 15 Hours Mini USB Recorder: 】The USB voice recorder has been improved to support 12 to 15 hours continuous recording according to the higher demand of customers in the market. Built-in 32GB inter..