Note: Only sales in the USA(not including Hawaii, Alaska, Puerto Rico, Guam, Virgin Islands, American Samoa, Northern Mariana Islands, Palau, Federated States of Micronesia, Marshall Islands, AA, AE, AP,United States Minor Outlying Islands, The United States Miscellaneous Pacific Islands, Northern Mariana). Description: [Make Your Journey Safer and Enjoyable] - The new fm transmitter can make your phone get charged when drive, and you can answer phone by free hands. [Crystal Clear Sound] - Noise and wind suppressed by CVC technology to create full duplex sound quality. [Hands-free Calling] - With built-in Mic, you can make hands-free calls easily and safely. [Dual USB Port&Safe Charging] - It can charge two devices at the same time, and it also has overcharge protection, and the device is safer when charging. Specifications: Bluetooth Connection Distance: 0 ~ 5 meters Microphone: 0~1mcapacitor microphone, -38dB FM Transmission Band: 87.5 ~ 108MHz Current Noise: no noise Car Charging Working Voltage: 12 ~ 24V Car Charger Output Current: 0 ~ 2.1A Note: 1. Please change another stable channel if it has a lot of static because of frequency conflict. 2. Please keep the FM transmitter and car FM radio at the same frequencywhich is must be the empty station Package Includes: 1* Bluetooth FM Transmitter 1* User Guide Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.