The iSound DuraWaves is an extraordinary Bluetooth speaker that you can take further than most others! This speaker does not only sound great but it is also IPX5 certified (water resistant) so it can stand up to rain as well as dirt, dust, sun and shock. Take it with you to the beach, to a picnic or to the campsite and enjoy this speaker’s small footprint, high endurance and impressive sound for its size! The speaker features a 40mm driver with an omni-directional speaker cone that sends music in all directions as well as a rechargeable lithium battery to provide up to 5 hours of continuous play time (depending on volume). Included is a wrist strap to allow you to attach the speaker to you backpack or belt loop to improve portability. Need to take a phone call? No Problem! This speaker lets you receive calls while connected to your cellphone and also lets you adjust the volume with integrated controls on the speaker. The iSound DuraWaves connects wirelessly to all Bluetooth streaming audio devices and, if needed, will also work with non-Bluetooth devices using the included 3.5mm audio cable. Enjoy your audio in places where others fail with the iSound DuraWaves – available in 4 great colors!