Features: Bluetooth connection Applicable models: Android OS 4.4 or above Applicable models: iOS 8.0 or above Item Type: Remote Controls Item Weight: 35g Small and nice, easy operation For cars, bicycles, motorcycles and everyday life Control volume Play / Pause Power supply: CR2016 Button battery Not suitable for Android car stereo Not suitable for Android tape recorder, car radio / DVD / CD / o Suitable for connecting mobile phones and tablet PCs Not suitable for car device / car Android tape recorder / car o / radio / DVD / CD / Navigation / car tablet Color: black Material: plastic Size: 3.6*3.6cm Package Contents: 1 x Steering wheel controller Only the above package content, other products are not included Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm