?Customer Service? One year warranty provided, lifetime tech support, Any questions will be responded in 24 hours. lifetime system update firmware is available, please feel free to contact us, here is the path to contact us directly: click "SYGAV" above the "add to cart", then click "ask a question".we strive to provide the best products along with superb customer service. We offer a broad range of stereo products, please check out our store. ?Built in DSP & 2 Sub ouput?Amazing sound output, many users said it even beat factory sound. the Digital Sounds Processor with 15 bands EQ can be adjusted as your like and different default styles optional(Flat, Rock,Pop Jazz, Classic ), Built-in Amplifier 4*50W, you can enjoy a new auditory. 6-channel Audio output converters, support subwoofer output. ?Better Display?2.5D Glass(widely used for many cellphone on the market) , IPS Mulit-Touch screen with 1280*720 high resolution display, bring you a visual clearly experience. Unique UI design, redefining the interactive interface, simplify operation process to enhances the reaction speed. ?Multi Functions and Built-in Carplay?Support Carplay and Android auto bring much fun and convenience same as you use a cellphone, easy access to Internet for 3G/4G Network and WiFi, Offline map (it already built-in) ensure you never get lost when weak signal outdoors, it also support Online map(Google map,waze etc). Steering Wheel Controls(No need for Romote Steering wheel controller) and hands-free phone call for safety driving. HDMI output support car headrest monitor. ?Plug and Play?This Honda Civic Single din car radio come with well connected harness, support factory steering wheel control and factory amplifier. The latest version Android 10 Operating System, Rockchip RK3399 PX6 Hexa-Core CPU processor with 4G RAM and 64G ROM, the performance will be more stability, giving you more faster running speed and respond experience.