Dual Recording / High Quality Noise Reduction The intelligent noise reduction chip compensates and filters noise sound waves to deliver clear audio. Equipped with two microphones for 360° dual-channel sound pickup, this recorder enables effective long-distance recording. It captures clear sound with 1536kbps lossless recording, optimizing audio quality from input to output and enhancing sound clarity. Large Capacity Battery Life / Voice Activation With 32GB of internal storage, it can store approximately 2217 hours of audio. The 700mAh large capacity battery provides up to 88 hours of continuous operation when fully charged (at 32kbps). Featuring voice-activated recording, the device automatically starts recording when sound is detected and enters sleep mode when no audio is present, helping save power and storage space. External Microphone / Headset Support / OTG Data Transmission Supports external microphone and headset input. OTG function allows direct connection to Android smartphones without a computer. Recording files can be easily accessed and managed on compatible Android devices via OTG cable. (Compatible with Android phones that support OTG function.) Super Multifunctional Design Functions as a digital voice recorder, USB drive, and MP3 player. Features four built-in folders (A/B/C/D) for organized file management. Additional functions include one-key recording, timer recording, password protection, AB repeat playback, bookmarking, and intelligent battery level indication. Exquisite Design and Packaging Crafted with a zinc alloy shell, the durable metal body offers a premium look with resistance to corrosion and impact. Weighing only 92g, its compact size (9.9 x 1.8 x 3.4 cm) makes it portable and easy to carry. Precision craftsmanship ensures a sleek, high-end appearance, ideal for gifting. Suitable for a Variety of Scenarios and Users An ideal digital recorder for classrooms, speeches, lectures, interviews, and meetings. Helps improve learning and work efficiency by capturing every detail without omission. Adaptable to both indoor and outdoor environments. Simple and user-friendly operation makes it suitable for students, teachers, writers, bloggers, and anyone who enjoys recording audio.