Upgrade 4 in 1 Design This USB C to 3.5mm adapter features dual 3.5mm headphone jacks, a USB C audio port, and USB C power delivery, allowing you to listen to music, watch videos, use audio navigation, control music, or make calls while charging. Charge your USB C device and play audio simultaneously with this adapter. Note: The USB C audio port and 3.5mm headphone jack cannot be used at the same time. Dual 3.5mm headphone jacks can be used simultaneously.Enjoy Hi-Res Sound This USB C headphone splitter includes a built-in high-quality smart chip (Realtek DAC) that supports Hi-Res audio up to 24-bit/96kHz, ensuring stable and lossless audio signal transmission for an enhanced listening experience.PD 3.0 and QC 3.0 Fast Charging This USB C charging splitter supports fast charging with Power Delivery 3.0 and Quick Charge 3.0, reducing charging time significantly. The tin-plated thickened copper core ensures safe, stable, and efficient charging without damaging your device or increasing power consumption. Note: Not compatible with Motorola or OnePlus phones. Does not support Android Auto.Wide Compatibility This USB C headphone splitter is compatible with most USB C devices, including smartphones, tablets, and laptops. Works with Samsung Galaxy Note 10/10+/S20/S20+/S20 Ultra, Galaxy Note 20/Note 20 Ultra, iPad Pro, Google Pixel 4/4XL/3/3XL/2/2XL, HTC U11/U12, Essential PH-1, LG, Dell, and other USB C-enabled devices.High-Quality Build and Support Constructed with a durable aluminum alloy oxidized shell for improved wear and corrosion resistance, enhancing anti-interference performance. Made with high-quality ABS material for reliable use. Compatible with most standard earphones. For any questions, customer support is available and responds within 24 hours.