Megafeis&reg; F21 8GB Digital Voice Recorder Watch/MP3 Player/Original Quartz Movement/Dictaphone(Silver) Professional recording watches, audio processing chip powerful, ensure the sound clear. High sensitive professional omnidirectional microphone, Recording up to more than 16 meters in diameter. MP3 and USB function, 8GB storage spaceyou can save thousands of MP3 songs and documents. Large capacity Li-ion battery , playback recording continuously for 8 hours and music for 10 hours. CITIZEN original quartz watch movement, guarantee the watch is accurate. Sapphire glass dial, durability.