DAC-Integrated Audio Adapter (Conversion Cable) [Length] Approximately 13.5cm [DAC] 16Bit / 48KHz [Color] Gray 《Note》Microphone (calls, recording, etc.) is not usable on iPad/iPhone. With non-Apple products, the microphone volume will be extremely low, and it will barely pick up any sound. The actual product is in the last photo (please check). #trek's PC/Smartphone/Tablet Item List is here ❤ Built-in DAC, compatible with most USB Type-C devices for PCs, tablets, and smartphones. ＜Compatible Models＞ Apple: iPad Pro 2018/2020, iPad mini6, MacBook Pro/air, etc. ※ Older models may not support calls. GOOGLE: PiXEL 2/3/4/5/6/6pro, PiXEL 2XL/3XL/4XL, etc. SONY: Xperia 1/5/XZ3, etc. Others: Devices that can connect via USB Type-C ❤ Standard headphone jack, so you can use your favorite headphones! #trek's PC/Smartphone/Tablet Item List is here [1]