[ Devices Compatible ]: Works with Switch, Switch Lite, Switch OLED, PS4/PS5, and PC with Win8 or above. ROUTE AIR is compatible with Bluetooth speaker and wireless earphones with Bluetooth 5.0, 4.0, 3.0, or 2.1 and supports dual connections. Not compatible with Airpods Pro 2.
[ Simple Usage ]: Pair your Bluetooth earphones to pairing status, insert ROUTE AIR, and hold pairing button A or B for 4 seconds to enter pairing mode. Successful pairing is indicated by a constant white LED. No need to pair again next time. If pairing is unsuccessful, reset the Bluetooth adapter by pressing both A & B buttons for 4 seconds and try pairing again.
[ Real-Time Audio Sync ]: GuliKit ROUTE AIR uses aptX low latency to eliminate lag and provide smooth transmission for excellent game feel and lossless CD sound quality. If your earphones only support SBC, double pressing for mode switch may cause no audio output.
[ Barrier-Free Transmission ]: Advanced ceramic antenna allows for up to 10 meters barrier-free transmission without any loss. Enjoy more space and choose your desired distance. TWS earphones may have weaker signal strength and anti-interference ability due to Bluetooth signal transmission and size limitation.
[ Compact and Portable ]: The slim black bluetooth adapter is about 5mm and has hidden buttons and small LEDs on the bottom for minimal visual interference while gaming.