Features 1、The Bluetooth media button is mounted on the steering wheel or on the bicycle handlebar so you can keep your eyes on the road without leaving the steering wheel. 2、Control media playback, Bluetooth multimedia button allows you to play/pause/switch back and forth songs, control volume without reaching for your phone. 3、Bluetooth connection: Bluetooth multimedia button, simple connection, no need to install additional APP, Bluetooth connection range up to 40 feet(about 12 meters). 4、Long battery life: a built‑in CR2016 button battery for up to two years of service life. 5、Embedding device, using a random base, can be attached to the steering wheel or the handle of the bicycle. Specification Features: The Bluetooth media button is mounted on the steering wheel or on the bicycle handlebar so you can keep your eyes on the road without leaving the steering wheel. Control media playback, Bluetooth multimedia button allows you to play/pause/switch back and forth songs, control volume without reaching for your phone. Bluetooth connection: Bluetooth multimedia button, simple connection, no need to install additional APP, Bluetooth connection range up to 40 feet(about 12 meters). Long battery life: a built-in CR2016 button battery for up to two years of service life. Embedding device, using a random base, can be attached to the steering wheel or the handle of the bicycle. Specifications: Material: ABS Size: Approx. 3.5*3.5*1cm/1.38*1.38*0.39inch Bluetooth Standard: 4.0 Transmission rate: 24Mbps Effective working radius: Approx. 12m/39.37ft Package list: 1 x Bluetooth Controller 1 x Fixing clip 1 x Key Chain 1 x Sticker 1 x Instructions Package List 1 x Bluetooth Controller 1 x Fixing clip 1 x Key Chain 1 x Sticker 1 x Instructions