ECOMGEAR(TM) Wireless Bluetooth Car KIT FM Transmitter Modulator MP3 Steering Wheel USB/SD/MMC Excellent sound quality with D.S.P solution for echo cancellation & noise suppression(CVC). Supports the remote control to meet dials or pick up telephone. Support SD/MMC card. (SD/MMC card are NOT included) Note: Your phone must have A2DP function ECOMGEAR(TM) is a trademark. All ECOMGEAR? products are exclusively distributed by itself. ECOMGEAR? trademark is protected by US Trademark Law.