Our most popular steering control, the Spinner Knob, presses firmly against the palm of your hand, giving you added strength and control for easy driving.

我们最受欢迎的转向控制上旋钮，按坚决反对你的手上，给你额外的力量和控制容易驾驶。

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The AR system keeps control in the palm of your hand as you continue using your iPad, iPhone, or iPod touch to control the music.

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The control systems weighs a little more than half a pound, fits in the palm of the hand and operates on a single battery for the better part of a year.

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