Soundfly BT Ultimate Bluetooth Car FM Transmitter WMA/MP3 Player for SD Card, USB Charger for iPhone 6, 5S, 5C, 5, iPad, Air, Mini, Samsung Galaxy S5, S4, Note 3, and other smartphones and tablets Simple plug & play - Bluetooth Ver. 2.0 - Hands-free, AVRCP, A2DP - Reads MP3 & WMA files Transmits on all FM frequencies (88.1MHz-107.9MHz) - Memorizes up to 7 FM frequencies RDS (Radio Data System) - Caller ID and song information (works with only SD card) on your compatible radio display. Standard USB port for charging (5V 1 Amp), SD slot for music playback, external microphone & 2.5mm stereo output & input 3.5mm cable included Remote features - Answer/End calls, Volume Up & Down, Folder Shift, Fast Forward & Rewind, Repeat Warranty 1 Year