NOTE: This USB DAB+ radio receiver stick is ONLY designed for XTRONS Android head units. Famous for its better sound quality, and strong signal receiving, DAB+(Digital Audio Broadcasting) has gradually replaced the traditional analog broadcast AM/FM. Connect the USB Stick with XTRONS Android Head Units, and you can receive the DAB+ digital radio on your car stereos and enjoy the audiophile-level sound in your car.Features: 1. Audiophile-level High-fidelity Sound: You can enjoy the CD-like quality sound without any distortion. 2. Multiple Channel Choices: Frequency covers multiple channels, convenient and easy to get access to your favorite programs. 3. Super-strong Anti-interface: SNR is over 95db, encoding rate is 192kbps, which is suitable to use in intense moving environments such as in-car use. 4. Faster Switching Radio Stations: A station covers multiple channels, more convenient to switch between radio stations. 5. Detailed Channel information: You will know what you are listening to now!How to install DAB Antenna: 1. Remove “ A” pillar trim from the passenger side. 2. Scratch away some paint from the A-pillar to attach the copper grounding lug. (Please tear out the sticker from the grounding lug surface and ensure the grounding lug has good conduction with the car’s ground). 3. Attach the antenna to the windscreen once the copper grounding lug is secure. (Please try to keep the antenna away from the metal ground of the car, at a distance of 60mm at least, and you should place the antenna upward.) 4. Run the cable to the rear of the DAB stereo and connect to test. Refit the A-pillar once completed.Item Includes: 1xUSB Stick 1xDAB+ AntennaXTRONS backs this item with a 3-month warranty and provides professional technical support.