• 2-in-1 adapter that allows you to listen to music or talk hands-free while charging your device. • Compatible with remote control and microphone headphones, supports volume control. • 48KHz and 24-bit digital audio transmission to maintain the original sound quality. • Connects devices with a 3.5 mm jack to the light port, solving the single port issue in specific phone models. • Made with high-quality materials: flexible and eco-friendly TPE, durable ABS, and aluminum alloy for greater durability and protection against wear and corrosion. • 100% copper core ensures efficient transmission and stable signal, offering lossless digital sound. • Compact, lightweight, and easy to carry design, ideal for travel, sports, or daily use. • No additional software required, just plug in and enjoy the sound quality. • Maximum output current: 2.1 A / 5V. • Easy to store in bags or backpacks, allowing you to enjoy music anytime and anywhere.