The chip integrates a low-power MCU, RF transceiver, baseband, modem, USB, UART, PCM / I2S, SARADC, low-power flexible and powerful Bluetooth application. 1 ×Bluetooth adapter. Compatible with Bluetooth 2.1, 3.0, 4.0, 4.1, 4.2, and 5.0 specifications.
eBay
The user's voice can be transmitted through the USB Bluetooth adapter microphone. 1 USB Bluetooth adapter wire. and the indicator light flashes when it enters the blue light. [Indicator status] Boot: Blue light flashes.
eBay
That should be one of the unique features found on Bluetooth 5.1. The Bluetooth 5.0 could provide you information on how far the receiver is, but Bluetooth 5.1 lets you find the exact location. This is achieved through Bluetooth signal strength detection in the case of Bluetooth 5.0.
eBay
(B) Launch mode use: A red LED flashes to indicate that it has switched to transmit mode. In the launch mode, the product will automatically search for other Bluetooth receiving devices that have been turned on (such as Bluetooth headset, Bluetooth speaker, Bluetooth receiver, etc.).
eBay
eBay
Enhance your device's connectivity with this Bluetooth 5.3 Wireless Audio Data Transmitter Receiver USB PC Dongle Adapter ! Designed for versatility and ease of use, this dongle adapter transforms your PC or laptop into a Bluetooth-enabled device, allowing seamless wireless communication and audio transmission.
eBay
Plug-and-Play Design – Easy to use via USB power and 3.5mm AUX connection. 1x AUX Cable (if included by the manufacturer). Bluetooth 5.0 Technology – Ensures stable and fast wireless audio transmission.
eBay
Bluetooth5.3 Wireless Receiver NFC Audio Adapter AUX 3.5mm HIFI Stereo Music UK. Wireless Bluetooth Receiver Audio Hi-Fi Stereo Music Amplifier 3.5mm Adapter 50m. 4in1 Bluetooth Audio Adapter Wireless Receiver Transmitter MP3 Player 3.5mm Aux.
eBay