IHOUMI Recorder Mass storage and long lasting battery 8GB storage stores up to 1100 hours of audio at 32 kbps up to 30 hours of continuous HD recording a large capacity battery can operate for about 30 hours on a full charge designed to improve work efficiency and reduce recording errors 1536 kbps and Noise Reduction Technology built in multi directional microphones capture sound from multiple angles supports long distance recording recording bitrate up to 1536 kbps professional DAC noise reduction chip enhances human speech and filters background noise delivers stereo HD recording One key Recording and Voice Control Recording dedicated recording shortcut keys slide the recording shortcut switch to start recording, then back to stop/save supports voice detection recording for hands operation and storage savings Intelligent Playback and Features bookmarks help you quickly find the clips you need AB repeat allows replay of important parts variable speed playback fast forward and rewind for easy navigation Practical use scenarios business meetings: capture decisions and action items for accurate follow up lectures and seminars: record full content for later study with clear speech field interviews or research: long distance recording with long battery life and convenient hands use