Wireless speaker designed for riders! Perfect for experiencing all of your rides with even more intensity, accompanied by your favorite music. The ideal companion for getting psyched up or training. IP66-certified: resists water, and provides total protection against dust, sand and mud. Shock-resistant: reinforced rubber end-pieces. Clear, very powerful sound for optimal audio rendering in outdoor conditions (in the wind, on the street): single-unit 2.0 speaker + passive decompression driver. Bluetooth 3.0 A2DP wireless technology. Compatible with Bluetooth devices: telephones and smartphones, tablets, computers (Windows Vista/7/8, Mac OS X). More than 12 hours of battery life. Can be connected to two Bluetooth audio sources at the same time: switch from one to the other incredibly easily. Control buttons: volume + and -, next and previous tracks, pause and play. On/off switch and auxiliary line input. USB charging cable included. Compatible with 5 V micro-USB chargers. Secure hoop for wrist strap. Standard-size screw thread for easy mounting (examples: bike mount, tripod, suction cup mount, etc.). Custom Android and iOS app for your smartphone.