Wireless Radio Transmitter for iPhone Review by Kevin Bramley br br br br br br The most Advanced Car FM Transmitter ever built! This latest FM transmitter will read Mp4MP3WMAAMV files from 2GB built-in memory, USB Drives and MMCSD(TF) Cards. This is a full-featured Bluetooth hands-free car kit that plugs into the 12V accessory plug and pairs with most Bluetooth Mobile Phone models. Plug it in, pair it up and start enjoying the freedom of making calls listen to your favorite MP3 songs and increasing your driving safety, you can enjoy music supported files w extensions such as MP3 and WMA which saved in SDMMC Memory Card, USB Flash Drive or just plug any other device like CD player or any portable player in to audio input AUX port. You can also enjoy the music which saved in your mobile phone by A2DP function, can expand storage or read files from external USB flash drive or MMC Flash card. br br Features and Specifications: br The world's No.1 MP4 Fm transmitter with Bluetooth function br Plug & Play Bluetooth Car Kit with Multi-input MP3 FM transmitter br Support SDMMC card, USB Flash Drive, audio cable (line in) br Play mp3MP4 from PhoneSDMMCmp3mp4Build in flash(2G) br Full frequency (87.7HZ-108.0HZ, total 204 channels) transmission br Support call ID show and hands-free function br The incoming call can get through automatically br Many EQ options: Normal, Rock, Pop, Classical, Live br Excellent sound quality with full duplex communication DSP br Technology for echo cancellation and background noise reduction br Auto-mode change from voice call to music br 1.5 inch LCD display br With 21 keys digital remote or steering remote control br Auto-mode change from voice call to music br No charging, No installation, ready to use br br Package Includes: br Bluetooth v2.0 adapter br Wireless remote control with steering wheel mount with 3V Lithium battery br 2.5 mm to 3.