Wireless Bluetooth LCD FM Transmitter Modulator USB Car Kit MP3 Player SD Remote Feature: 100% brand new and high quality. Excellent sound quality with D.S.P solution for echo cancellation Noise suppression (CVC) Support USB disc and SD card Apply to USB devices and MP3 player Support MP3/WMA music format Transmitter powered by 12V car socket and remote powered by 1 - CR2025 battery (1x CR2025 battery NOT included) Give a variety of smart phone charging Transmit the audio wireless to the radio Swivel axis design, easy to use Specifications: Frequency Response:20Hz-15Khz Transmission Frequency: 87.5-108MHz Supported Format:MP3, WMA Rated Operating Voltage:12 V Ultimate Operating Voltage:9-26 V SNR Ratio > 60dB Left/ Right Channel Separation > 60dB Mic range:0-2m Audio distortion degree: 0.1% Power Consumption: 1W Work Temperature:-20-50 degree Bluetooth Version: 3.0 Bluetooth Transmission Distance: 10-15m Dimensions: Approx 7cmx 3.7cmx 1.2cm Color: Black Material:Plastic Package Content: 1 x Hands free Car Kit FM Transmitter 1 x remote controller (NO Retail Box. Packed Safely in Bubble Bag)Car FM Transmitter