Iuhan New Bluetooth Car Stereo Audio In-Dash FM Aux Input Receiver SD USB MP3 Radio Play This is a very practical car stereo,Play music from four different sources. The FM radio uses MPX PLL tuning, can seek/scan, and stores up to 18 FM presets You can plug in a USB stick or SD card loaded with MP3 or WMA files to listen to your favorite digital music  plus, the track info is displayed on the LCD screen Or, use the conveniently located 3.5mm (1/8) aux-in port to plug in virtually any audio playing device, including iPod, iPhone,ipad,and all 3.5mm audio devices phones, MP3, MP4, etc. Machine size: 178 mm (W) * 50MM (H) * 125 mm (D). Support Bluetooth, as long as your cellphone can support bluetooth, you can answer your call through the front panel (there is a small mic on the front panel), and you can play the music in your cellphone through bluetooth too. Package Content: 1X Bluetooth Car Stereo player (NO Retail Box. Packed Safely in Bubble Bag) 1X Remote control 1X Wire 1X Instructions