Massive HD stereo sound: This powerful 10 watt speaker delivers stunning Audio quality with precision bass and clearly balanced acoustics. Crank it up and fill any room or entertain outdoors at the beach, Park, pool, boat, backyard, or campground. No wires, pure sound: wirelessly connect with any Bluetooth device in a 33-foot range to stream music or take calls. Anytime. Anywhere. The built-in rechargeable battery provides up to 4 hours of wireless playtime on a single charge! Perfectly travel-friendly: the compact & lightweight speaker can travel from room to room and everywhere you go. It’s grip-friendly, so even sweaty hands can securely grab it and go.