Autosave on power off When the device detects low battery, it automatically saves the current recording and then shuts down to prevent data loss. This protects your important audio even if power runs out unexpectedly. Onekey recording and saving Simple operation: press to start recording, press to save. The device records quickly and stores the file before poweroff, ensuring you don't lose your work. Local playback and recording Not just a voice recorder and keychain. It functions as a portable music player for relaxation during spare time and can accompany you on business trips, providing flexible use in one compact device. Longlasting recording in a small form Up to 25 hours of uninterrupted recording thanks to a builtin energy polymer lithium battery and an intelligent energysaving system. The small size makes it easy to carry and ideal for longterm recording needs. Portability and design Keychainfriendly, compact design for convenient everyday carry. Lightweight and easy to attach to keys, bags, or a notebook, so it's ready when you need it. Use scenarios Business meetings and interviews during travel: capture clear audio with automatic save to avoid data loss. Daily notes and memos on the go: quickly record ideas while commuting, then listen back on the fly. Breaks and downtime: use the device as a compact music player to relax, while keeping a reliable recording option at hand.