【2-IN-1 BLUETOOTH TRANSMITTER RECEIVER ... fully charged within 1.5 hours. When in the low battery state, the adapter can be plugged into power source to charge and work at the same time.

The best Bluetooth car adapters ensure you can enjoy hands-free audio in your car — no matter how low-tech your car might ... such as a connection to Alexa or a USB charging port.

All power states have seamless enter/exit while maintaining performance. U1, U2 and U3 states are also included in the USB 3.1 and USB 3.2 specifications. In USB4, the individual adapters maintain ...

The Bluegiga Technologies Bluetooth adapter is a high-performance adapter that supports Bluetooth 4.0 Low Energy. It is a high-quality adapter that is useful for programmers and HRM professionals.