Common form of the pressure switch, volume switch, time switch and flow switch, that is, to achieve the preset inspiratory pressure, capacity, time or flow rate is converted to breath.

常见的方式有压力切换、容量切换、时间切换和流速切换，即吸气达到预置的压力、容量、时间或流速则转为呼气。

youdao

On the left side of the phone you've got the new volume buttons, a redesigned mute switch, and a small notch towards the base of the unit.

手机左面是新设计的音量按钮、重新设计的静音按钮。以及底部的一个小缺口。

youdao

It has a volume controller and a collar clip along with a microphone switch which turns it on and off.

它有一个音量控制器与麦克风开关的打开或关闭它和衣领剪辑。

youdao

The right side houses a volume switch and a physical camera button -- these were a bit plasticky, but has a nice matte finish.

ENGADGET

Both models feature a new capacitive touch control design that allows the listener to change volume, switch channels or jump streams with a simple swipe or tap.

ENGADGET: Koss intros Striva headphone systems, lets you stream music over WiFi straight to your ears

This protrusion (which is removeable) provides access to a multi-function button, volume controls, power switch and micro-USB port for charging.

ENGADGET