Noise Reduction Design: With built-in dual noise reduction microphones, it can restore the original sound for ultra-clear recording and provide exceptional sound quality One-Button Recording: It features one-button recording, making it easy to use APP Control Recordings: After connecting Bluetooth, you can operate and manage recording files on the mobile app MP3 Player: Comes with a wired headphone, plug in the recorder, making it turn into an MP3 player to enjoy music Long-Lasting Time: Support lossless PCM recording for 256 kids, 10 hours to store 1G recording files. Charging for 2 hours can support 10 hours of continuous recording, 5 hours of continuous playback, 30 days of standby and store 90 hours of recording Practical Gift: A useful gift for students, professors, teachers, businessmen, and anyone who needs to record usually Wide Application: It's ideal for lectures, meetings, interviews, speeches, class, business, and study Specification: Body Material: Zinc alloy Recording Format: WAV Music Format: MP3/WMA/WAV Charging Time: 2h Weight: 17.8g Size: 51*37*6.5mm Battery Capacity: 300mAh App Control Distance: about 10m Recording Method: Phone/Local Recording Playback Format: MP3/WAV/OGG/APE/FLAC/ACC-LC