Jackery Boom 10W Bluetooth 4.1 IP65 Water Resistant Dustproof Rugged Portable Charger Speaker Perfect for Biking, Hiking Play, Empowers Your Mobile Outdoor Life On The Go with Bike Mount &hellip; Jackery: the Power Source for Mobility Clear wireless connectivity - Bluetooth 4.1 enabled speaker allows you to be connected to all bluetooth compatible mobile devices Powerful boomin sound - 10W of powerful sound from dual 5W stereo drivers and passive radiators, perfect for any music style in your outdoor lifestyle Long-Lasting - 2000 mAh rechargeable lithium battery provides up to 8 hours of playback and can be easily recharged. Microphone features means you can also use the Boom as a conference call wherever you are outdoor style! Bike mount ready- For cyclists and biking enthusiasts, the Boom is ready to be mounted on your bike, with optional bike mount kit included in the advanced package #GoBiking