Z50 for smartphone, tablet and laptop - Grey Connect to multiple devices, such as your smartphone, tablet or laptop 2.25" driver produces 5 watts of power for a superior, loud sound Move the portable speaker from room to room and play your multimedia Small speaker, loud sound: 2; 25-"driver and 10W of peak power produce surprisingly big sound Compact, portable size: Single mini speaker gives you the freedom to play your favorite music around the home Works with multiple devices: Connects to smartphones, tablets and laptops via 3; 5mm jack Plug and play simplicity: Super-easy setup; Just plug the speaker into your device and start listening No battery hassles: AC powered so you never have to change or recharge batteries