Upgrade 4 in 1 Design This USB C to 3.5mm adapter features dual 3.5mm headphone jacks, a USB C o port, and USB C power delivery, allowing you to listen to music, watch videos, use o navigation, control playback, or make calls while charging. Charge your USB C device and play o simultaneously with this adapter. Note: The USB C o 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 Chip/DAC) that supports Hi-Res o up to 24bit/96kHz, ensuring stable and lossless transmission of digital o signals for an enhanced listening experience. PD 3.0 and QC 3.0 Fast Charging Supports Power Delivery 3.0 and Quick Charge 3.0 for faster charging, reducing charging time significantly. Tin-plated thickened copper core ensures safe, stable, and efficient power delivery. Note: Not compatible with 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, laptops, and headphones. Works with Galaxy Note 10/10+/S20/S20+/S20 Ultra, Galaxy Note 20/Note 20 Ultra, New Pro, 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. Compatible with most earphones for easy connectivity. For any product inquiries, support is available within 24 hours.