
4smarts B9
Channels
4smarts B9
Channels
Charge battery. 2. Press the button, the blue LED starts flashing.
Well, it has a 3.5 mm jack connection in addition to the Bluetooth connection. So far, I've only used Bluetooth (which is probably why you buy it). It remains to be tested whether one of the jack connections works at the same time or only one connection type at a time.
Hello I tested it on a long Air France flight, it worked well, however I had trouble understanding how to pair it with my bluetooth headset. I have to do some tests before boarding.