Product List
Model：A2 Air
How To Install
Install and fix the A2 jaws on the QUEST2 head strap slowly from the front to the rear; Use the audio cable to connect the left and right earphones; Insert the audio input plug on the left claw into the audio output port of QUEST2; Turn on the power switch of A2 to start using …
Voice Only One Side
Possible reasons for one-sided audio issue on A2 Air: Check if the 2.5mm headphone cable is properly inserted into the corresponding jack of the left and right earphones. Verify that both earphones are in a connected state. Check if the 3.5mm headphone cable on the left earphone is connected to the device, and ensure the …