Smilism Digital Voice Recorder [32GB Expandable] Audio Activated Recorder with Microphone Noise Reduction and 1536kbps Sound Recording, Perfect for Lectures & Conversation, Indoor & Outdoor Supreme Sound Quality-- Up to 1536kbps bit rates and professional dynamic noise reduction bring you perfect auditory enjoyment. Dual extra-sensitive microphones and 7 adjustable sensitivity levels allow high-fidelity recording in 50ft. High-speed USB-- Matching Windows/Mac OS through 2.0 USB interface. 8GB memory is capable for up to 576 hrs recording or 1,500 songs. Expandable 32GB memory involves all types of files as a memory stick. Optimal Battery Life-- Enjoy up to 24 hours of recording after 2-hour fast charging. Powerful speakers of this sound recorder liberate ears from headphones. Excellent codec supports music in MP3/WMA/WAV/APE/FLAC formats. HD OLED Screen-- Lighter and thinner OLED screen of the tape recorder suits for indoor and outdoor use, and saves more energy. Voice activated mode, A-B repeat and adjustable playback speed enhance efficiency of work. Music Without Limits-- This audio recorder perfectly supports lossless music formats as a professional MP3 player. The Hi-Res sound quality is as pure as gold. Alloy frame produces a portable case that houses the best quality inside.