Discover the compact and efficient Ruizu X66 Mp3 Player at LuckyStore. Weighing just 20g, with dimensions of 40mm×35mm×10mm, this sleek device offers excellent portability. Equipped with an 180mAh polymer lithium battery, enjoy long-lasting music and FM radio with only 1.5-2 hours of charging via USB 2.0. Control your music effortlessly using physical buttons and store your favorite tunes in MP3 or WAV formats. Designed for simplicity and functionality, the X66 is your ideal companion for an uninterrupted audio experience.