Koolenry Keychain MP3 Player Keychain Voice-Controlled Recorder Hook Mini Dictaphone Voice Audio

[ multi-purpose] Recorder, MP3, U disk, key multi-function buckle , beautiful appearance, lightless and silent, recording anytime and anywhere, can be used for work, study, etc., especially in evidence collection, small and difficult to be discovered, big role plays a very important role. [High-definition recording] Adopts advanced third-generation recording main control chip, equipped with high-quality noise reduction algorithm, reduces environmental noise, and makes the recording sound clearer and more natural. [Voice-controlled recording] Audio recording, silent automatic sleep, improve efficiency, save memory and power. One-button recording, simple to understand, simple to operate. [Multi-function recording] Power-on recording, 50-meter long-distance recording, power-off protection, timestamp, ultra-long standby, timestamp memory, noise elimination, MP3 player, U disk use, etc. [Wide range of uses] Suitable for outdoor listening to music, sports, cycling, etc., the recorder function can also be applied to lectures, conferences, interviews, and other ideal choices. This is an excellent gift for teachers, students, lawyers, writers,etc.