DLAND Wireless Bluetooth FM Transmitter Radio Adapter Car Kit with USB Charger / Micro SD Card / FM Transmitter / IR Remote Control / Music Playing / Hands-Free Calling Compatible With Apple, Samsung, HTC, LG, Sony & More Smartphones, Tablets, MP3 Players Hi-Fi transmits your favorite tunes from the portable Bluetooth music players to your car FM stereo system. Compatible with your smartphones, tablets or MP3 players through Bluetooth; Get rid of the shackles of cables, hands-Free calling function allows you to talk through your car stereo, keeping you safe in driving. Built-in chargeable lithium battery, you can charge your devices on the go via the USB port; Full frequency range from 87.5 to 108Mhz, can satisfy your need and preference for different frequency channels.