Built-in Wireless CarPlay functionality enables seamless wireless connection between your car and smartphone, allowing you to share maps, music, phone calls, and other apps on your vehicle's display. Equipped with an automotive-grade chip for enhanced system stability and smooth performance, featuring low power consumption and efficient heat dissipation for reliable long-term operation. After the initial setup with the internet box, the device automatically reconnects upon startup for quick and convenient use. Integrated intelligent voice assistant supports hands-free control of key functions, helping you keep your hands on the wheel and enhancing driving safety. Ultra-compact and slim design saves space and is easy to carry. Product Material: Aluminum Alloy + Tempered Glass OTG Data Transfer: Supported Dimensions: 2.4 x 4.75 x 0.8 cm Online Firmware Updates: Supported; follow instructions in the CARPLAYP Firmware Upgrade Guide