?PLUG-AND-PLAY, EASY TO CARRY? BOYA BY-K1 audio adapter cable is plug-and-play without any driver or external power supply. Easy to connect and use. It weighs 20g (0.04 lbs) and measures 295mm (11.6 inches) in length. Easy to carry around. No worries about winding, knots or kinks. ?SMOOTH SOUND TRANSMISSION? BOYA BY-K1 audio adapter cable with built-in Apple MFi certified chip has tinned copper conductors and internal multi-layer shielding. It can filter out most of the noise, and the smooth sound transmission can bring higher quality sound. ?SUITABLE FOR MICROPHONE? BOYA BY-K1 is suitable for iOS devices to improve the sound quality. You can directly connect wireless microphone, set-top microphone (BY-WM8 Pro, BY-WM4 Pro, BY-WFM12, BY-BM3011, BY-MM1, etc.) to Apple Lightning port for use on cell phones or tablets and other devices. ?COMPATIBLE WITH APPLE DEVICES? BOYA BY-K1 audio adapter cable is compatible with Apple iPhone 13/13 Pro/13 Pro Max/13 Mini/12/12 Pro/SE/11 Pro Max/11 Pro/XS/XS Max/XR/X/8/8 Plus/7/7 Plus and so on. And it supports iOS 15/14/13/12/11/10 and other operating systems. ?APPLE MFI CERTIFICATION? BOYA BY-K1 3.5mm TRS to Lightning audio adapter cable meets the strict requirements of Apple certification. Suitable for a wide range of devices, solving your multiple adapter troubles (on car stereos, home stereos, portable speakers, headphones, Hi-Fi, computers or any other device with a 3.5mm input jack).