EF0040B Features High fidelity and stereo sound Adopts digital PLL locked loop technology LCD screen displays frequency which allows you to choose channels more conveniently Suitable for MP3 player， Sony， iPod， iPad， iPhone and other device with 3.5 mm audio output Full frequency emission (up to 200 frequencies can be selected) Equipped with present frequency point saving function when power failure Adjusts the volume and selects the channel via key switch Can charge devices with the adapter Good transmitted signal performance Low noise and superb sound quality Comes with four 2.0 DC commonly used adapter You can play the music while charging the mobile phones Can charge 2.0 DC end cell phone  General Specs Color Black Type FM car transmitter Screen LCD screen  Compatibility Suitable for MP3 player， Sony， iPod， iPad， iPhone and other device with 3.5 mm audio output  Others Comes with four 2.0 DC commonly used adapters Package Details Weight: 83.46 g Size: 17.5*10.5*3.0 cm Package Includes * FM Car Transmitter