The Bose SL-REVOLVE-PLS-B may be small but do not let the size fool you. It is packed full of technologies to make it the ideal companion for any party indoors or out. Thanks to the highly efficient transducer, dual passive radiators & an omnidirectional acoustic deflector, all of which mean you will get incredible life-like sound. Thanks to the water-resistant design you are able to take the Revolve plus more places without worrying. Why not take it to the pool or have it beside the sink while you are washing up, both without worrying about it getting splashed. The design of the Bose speaker allows for accidental bumps or knock overs, the soft materials allow for those little bumps & leaves you worry free. Connecting your compatible device couldn't be easier thanks to the Bose connect app meaning you are able to effortlessly control the Bose Revolve plus via Bluetooth. If you don't have your phone handy, you can even use the speaker to send text messages or even make phone calls. Simply press & hold the multi-function button to use Siri & google now. With a battery that lasts up to 16 hours, you are able to take the Revolve speaker out with you all day without worrying about having to recharge the battery.