ER1330B Features Big cylindrical button design is easy for car operation 360-degrees rotatable design at the upper half part to meet the angle needs Supports SD /MMC card and USB flash drive player and card reader functions Unique side button design Supports external portable devices charging via functional interface Supports folder playback function Supports multi-language menu operation， ID3 and LRC lyrics synchronized display Supports memory function and 6 kinds of EQ mode settings Supports remote digital song selection and digital frequency selection function The panel can be multi-angle adjusted With frequency memory， song memory function Song name and lyrics display function 3.5 mm audio interface Supports audio output General Specs Color Black Type FM car transmitter Harmonic Distortion  <0.05% (FM: <0.1%) SNR 85 dB (FM: 65 dB) FM Frequency Range 76.0-108 MHZ Bit Rate 48-320 KBPS Operating Current 60-70 MA Power Supply DC 12-24 V Button  Big cylindrical button design Functional Interface Standard USB 2.0， 3.5 mm， SD card EQ mode 6 modes Package Details Weight: 139.10 g Size: 19.3*9.8*4.00 cm Package Includes * FM Car Transmitter