ASINNO 3215347 MP3 Player, 1', Solid Gold [Upgraded version]: new Designed UI interface with new navigation control, feel better to operate; revised product instruction, quick and easy to understand [Fashion design easy to use]: music player Designed with classic buttons, great music player for kids, palm size and light weight, easy to put into your wallet, pocket, or armband. Excellent gift for you friends. [Long battery life]: built-in Lithium ion polymer 420mAh battery. Up to 80 hours playback, fully charged within 2-3 hours by USB charging cable. Enjoy your wonderful musical journey with high quality headphones. Charging cable and high quality headphones are included. [Strong memory capacity]: built-in 8GB memories, up to 2000 music can be stored, support up to 128 GB expandable Micro SD card. Save any files on ruizu MP3 Player as a portable flash driver. Support multiple audio formats, including MP3, wma, ape, WAV, FLAC. [12 month warranty]: 12 month money back warranty, 100% Satisfaction of customer service. If you get any product problems. Please contact tihoosky directly, youll get a quick response and satisfactory reply.