iZKA® portable speakers are a great addition for the sound from any Device system. Fully USB powered or USB mains adaptor connection! also a built 3.5mm jack adaptor with a 20cm length cable supports any device with a 3.5mm connection! This allows these speakers to be used anywhere, whether it be inside your house or outside. Their small size makes them very easy to move around and simple to store when transporting as there unique design to fold in and out. No standby power consumption to help save the environment. Easily accessible power button and volume control is on top of the speakers with led indicator so you know when the speaker is on. This set speakers come in 2 different colours (White and Black). This makes them a very good range of speakers to match and colour your device or any preferences of colours. The product comes with a full instruction manual on the back of the products packaging, making it a simple product to use. As with every iZKATM product, this product comes with a 1 year warranty. Full support is available from iZKATM and any questions can be put to our dedicated team to answer.