[Music and Voice Calls Support] Huawei device only supports music playback and not calling. Support music playback and calls for most USB-C smartphones such as Google Pixel 3 / 2XL, HTC U11, Moto Z and Xiaomi NOTE: Not compatible with devices with 3.5mm auxiliary port. [DAC Chipset with Noise Cancellation] With a high quality audio conversion chipset, it can convert digital audio signals to analog audio signals and maintain the original sound quality of the headphones. With a sampling rate of up to 96 kHz / 24 bit, you can achieve hi-res sound. Noise reduction and high suppression capability provide you with the best listening experience. [High Compatibility] This headphone audio adapter is specially designed for iPad Pro 2018, Google Pixel 3/2XL, HTC U11/U12+, Moto Z, Huawei P30 Pro/P20 Pro/Mate 20 Pro, Xiaomi, LG. It also supports other USB-C smartphones and laptops such as Samsung, Nexus, Nokia Lumia, Macbook Pro 2016, Google Chrome Pixelbook and more. [Durable & Convenient] It is tiny, lightweight and is made of durable ABS rubber and copper. So it's easy to wear and comfortable when you connect your 3.5mm headphones to your device. [Note]: For a USB-C smartphone with a 3.5 mm audio port, this audio adapter may not support calls, such as Samsung Galaxy S8 / S9 / N8 Technical specifications: Colour: black Material: highly flexible fire-resistant environment TPE + copper wire Length: 12 cm Weight: 6 g DAC supported: 44.1 / 48 / 96 KHz Sampling rates: 16/24-bit graphics