(1) new upgrade resin fixed strap, easy to install, suitable for any position on the steering wheel, do not damage the steering wheel. (2) the new upgrade steering wheel controller surface treatment, more smooth, more Press experience. (3) This product is a non-remote controller, is the real steering wheel controller. (4) Before purchasing, make sure that your host supports steering wheel control. (5) This product can support all the following functions: volume plus / minus, Bluetooth car phone dial / hang up, up / down function. *important * This product is a general- steering wheel controller, compatible with most of the rear loaded car navigation host (before CD, the before host please do not buy). If there are 1-2 keys do not match, is normal. If you can not accept the above description, please do not buy. Material:ABS colour:black Package Contents: 1 x receiver 1 x Steering wheel buttons 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.