Logitech Multimedia Speaker Z50 for Smartphone, Tablet and Laptop, Grey (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, includes all original accessories, and is backed by a 90-day factory warranty. Connect to multiple devices, such as your smartphone, tablet or laptop. 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 No Batteries Or Recharging. Compact, poThe 3.5mm audio line in enables you to connect and listen to your multimedia through multiple devices.rtable 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