Do you have a question about the AKG K845 BT and is the answer not in the manual?
Plug the 3.5mm audio cable into the 3.5mm audio in port for wired connection. FIG. (A)
Use the play/stop button to play or stop music, and volume buttons to adjust loudness. FIG. (B)
Answer calls by pressing the play/stop button; reject calls by long-pressing it. FIG. (C)
Plug the USB charging cable into the mini USB charging port located on the left ear cup. FIG. (D)
Unfold the headband earcup to prepare the headphones for use. FIG. (A)
Slide the headband to the right size to ensure a proper fit for the user's head. FIG. (B)
Press the Bluetooth pairing button to initiate pairing with a playback device. FIG. (C)
The Bluetooth pairing light will flash to indicate pairing mode is active. FIG. (D)
Turn on Bluetooth on your device and select AKG K845 to pair and connect. FIG. (E)
Place your NFC-enabled device on the right earcup to pair and connect via Bluetooth. FIG. (F)
Long press the Bluetooth pairing button until the indicator light turns off to unpair. FIG. (G)
Turn off the Bluetooth function on your connected device to disconnect. FIG. (H)