Stream Music From Bluetooth-Compatible Devices: Connect any compatible items to your transmitter and begin playing music through your cars stereo system instantly.Have Hands-Free Phone Calls: Use the device to have hands-free phone conversations without any complicated setups or distractions.Hey Siri Play My Summer Mix: Connect to Siri or Google Assistant and have full control over your transmitter with the sound of your own voice.2 Charging Ports With 20 Watts Combined Total Power: There are 2 charging ports for USB and Type-C devices that can simultaneously power your items.Improve Your Audio Presentations: Use the Bass boost button to improve the quality of your audio playback.Play Music Stored On Flash Drives: If you saved any songs to a USB flash drive, our transmitter features a port where you can plug in your drive and immediately being listening to your favorite music.