During the development of the M18i, Questyle Labs performed many tests to optimize compatibility with mainstream smartphones and tablets. With phones, the M18i is fully compatible with iOS, HarmonyOS, and Android. With computers, it supports Windows 10/11 and macOS, as well as PSP gaming consoles.
To surpass users’ expectations for DAC performance, the M18i comes with the latest ESS flagship ES9219Q DAC chip. Questyle and ESS engineers worked together to develop the TTA DAC framework, to take the performance of M18i to the limit of what's physically possible.
Fully laminated OLED Screen
Understand the product operation status at a glance.
MFB button
The MFB multi-function button is only operable in Bluetooth mode.
· During playback in Bluetooth connected state, click the "MFB" button to toggle between Pause and Play, click it twice to skip to the next track.
· When a call comes in while playing in Bluetooth connected state, click the "MFB" button to answer the call, click it twice to reject the call. During the call, click it to end the call.
Charging while Using
In PC Mode,you can use M18i to listen to beautiful music while charging to ensure the music never stops.
Support HD Calls with Advanced Noise Reduction Technology
The M18i ensures crystal-clear voice quality and call stability with Qualcomm's cVc Generation 8.0 call solution with ClearVoice Capture technology. Environmental noise is suppressed while providing clear sound to the user.