2-in-1 USB C 3.5mm Adapter: With USB C headphone and charger adapter, the dongle adapter usb c support you to connect Type-C enabled phone, PC, laptop to 3.5mm audio headphone, speakers or microphones. Play While Charging: It Supports charge and listen to music at the same time, it can charge for your mobile phone in time when watching movies,plug and play no needed drive. Hi-Res Audio DAC Chip: Type-C to Hi-Res 3.5mm Audio with a built-in DAC high-resolution chip give you a better music experience from it. DAC supports 44.1/48/96 Sample Rate, 16/24-bit, ADC input supports 44.1/48KHz Sample Rate, 16bit. Built-in Smart ChipsetFeatures a built-in smart chipset to Support volume control and answer calls on compatible devices.