Features : 1. No need to touch the smartphone/tablet. With this wireless media button, you can control music, take pictures and wake up the smart assistant with one key. 2. There is a base, which is convenient to fix on the steering wheel. 3. Use the attached base to connect the media button to the handlebar of the bicycle, keeping your sight on the road, and place your hand on the handlebar. 4. If you don't touch the button for about 30s, it will automatically enter sleep mode. 5. Easy to use, small and compact, with a wireless range of up to 10 meters. Specification: - Applicable Models: General - Material: ABS + PC - Color: Black - brand new and high quality - Fashionable, light weight - Safe and convenient to use - More delicate experience and simple installation. - Built-in replaceable button battery. - Support 7-Key function customize and background light. - Support all function such as(Vol+/-,Mode,Bluetooth-compatilbe phone,Pre/Next etc.) Specification: * Size: Diameter: 36mm, Thickness: 8mm * Fit for iOS7.0 or for Android4.4+ * Wireless range: 10 meters * Sleep mode: 30s Installation Method: - White: to Steering wheel Key(+) - Black: to Chassis-Ground(-) - Red: to Accessory / lgnition(+) Package Included(as picture): 1 x Mobile phone remote control