Features 1、LONG BATTERY LIFE AND STRONG MEMORY: Equipped with a built in rechargeable lithium battery, this MP3 music player can continuously play music for up to 20 hours on a full charge. It has the capacity to store up to 100 hours of recorded audio files. It also supports fast forward, rewind, and time setting functions. 2、HD NOISE REDUCTION: Utilizing a professional grade noise reduction chip, this player delivers superior sound quality with high fidelity and clarity. It features a voice activated function and can record for approximately 15 to 20 days on a full charge. 3、COMPACT AND PORTABLE: With its elegant design and compact size, this MP3 player is easy to carry and conceal. It can be used as a portable recorder to catch any content or as an MP3 player to enjoy your favorite songs. It is widely applicable for classroom lectures, meetings, interviews, and music playback. 4、ONE BUTTON RECORDING: Featuring a simple one button operation, this player is easy to use. It includes voice activation, automatically initiating recording when noise is detected, to avoid unnecessary storage usage. Recording distance is within 5 meters. 5、PROFESSIONAL QUALITY RECORDING: The recording bitrate can arrive up to 192KBPS, ensuring more real sound reproduction and effective noise isolation. Specification Item Type: MP3 Player Mode: Q37 Material: Aluminum Alloy, Electronic Battery Type: Built in 300mAh lithium battery (included) Package List 1 x MP3 1 x Wired Earphones 1 x Charging Cable 1 x User Manual