iRulu Blue 4GB USB Flash Drive MP3 WMA Music Player Built-in FM Radio Voice Recorder Powered by AAA Battery + 4 Pcs BTY 1000mAh AAA 1.2V Rechargeable NI-MH Batteries 100% Brand New USB MP3/WMA Player Built-in FM Radio, no need to add a detachable earphone. Built-in digital voice recorder Be able to use directly as a USB portbale disk. Download music connecting computer without cords and wires