AGPTEK 16GB USB Stick Mp3 Player Supports Replaceable AAA Battery, Recording, FM Radio, Expandable Up to 64GB, Black REPLACEABLE BATTERY: Never worried about power, replacing at any time with 1 AAA Battery(Not included). USB DESIGN: No Cable needed, you can directly connect with PC to transfer files.USB 2.0 providing high speed transfer,Could be used as a flash drive SIMPLE OPREATION: Support Music format MP3/WMA, Playing modes: normal, shuffle (random), repeat. Support 7 equalizerS and variable speed playback. LARGE MEMORY: 16GB memory capacity stores up to 4000 songs; Supports up to 64 GB Micro SD Card (not included). There is no limit to the number of songs from folder option. ADDITIONAL FUNCTION: The player also functions as an FM radio and as a recorder. Meets your different requirements.