The Genius SP is one of the finest portable speakers that you can find in the market. The speakers are known to give you great clarity with crystal clear sound. It is the undoubtedly the best option for mobile phones and laptops. With a standard 3.5 mm jack support, the speakers can be connected to any device. The LED indicator gives information on the charging and power status. The speaker works on a high quality lithium ion battery that gives you back up of eight hours. You can seamlessly listen to high quality music with a single charge. It also features a 40 mm driver for deep bass reflex.