<ul><li><p>Plug-and-play, no external drivers are needed</p></li><li><p>Equipped with high-performance Bluetooth chip to ensure transmission signal. The game sound is synchronized with the picture</p></li><li><p>Works well with Switch and compatible with all Bluetooth-enabled earbuds</p></li><li><p>The built-in antenna enhances the signal and realizes long-distance transmission &gt; 8 meters. Stable and smooth connection</p></li></ul><p><strong>Specifications:</strong></p><ul><li><p>Supported protocols: A2DP, AVRCP, HFP</p></li><li><p>Bluetooth version: V5.0</p></li><li><p>Operating band: 2.402GHz -2.480GHz</p></li><li><p>Power grade: Power grade 2 (Class II)</p></li><li><p>Audio input interface: USB audio input</p></li><li><p>Power supply: USB 5V power supply</p></li><li><p>Support voice call: Yes, Bluetooth headset or speaker need to have a call function</p></li><li><p>Ordinary voice (8K sampling rate, CVSD codec) can be supported when talking</p></li><li><p>Can also support WBS (broadband voice: support 16K sampling rate and MSBC codec)</p></li><li><p>Input voltage: USB DC 5V</p></li><li><p>Bluetooth distance: 8M (no shielding place)</p></li><li><p>Indicator light: 1 indicator, light flash, pairing status, light slow flash, connected device successful</p></li><li><p>Button: Double click the button to search and match again</p></li><li><p>Compatibility: Support PC use, support Switch base mode</p></li><li><p>Product Size:&nbsp;32*18*14mm<br/></p></li></ul><p><strong>Function Operation:</strong></p><ul><li><p>Turn on the device: Connect the transmitter to the USB interface of the computer, for Switch base, for PS host and other devices, and the device will automatically turn on</p></li><li><p>Automatic Shutdown: The device will automatically shut down after 10 minutes in the disconnected state, and it needs to be unplugged and plugged in again to turn it on</p></li><li><p>Pairing mode: After the device is turned on, the device automatically enters the pairing mode, and the LED light on the device flashes quickly</p></li></ul>