512M/256M, Got CE/Fcc Certification. The wireless MP3 player can broadcast the music from MP3 to any FM receiver. Simply tune your radio and adjust to a frequency in your area that is not in use, and you can enjoy your music in your car, at home or wherever! Quantity: 300 Packaging: 105mm (L)*30mm (W)*24mm 1.Support wireless broadcast by the FM radio 2.Support WMA/MP3 Format Digital Music 3.Support ID3 Display 4.7 Equalizer 5.36 hours Voice Recording(128M Internal Memory) and VOX 6.Support multi-language display 7.Support to connect and USB Disk without Battery 8.Support USB Drive Function 9.Use Car Power Supply by Cigarette Lighter with Adapter.