IBall offers Pendulum Swing with In- built Polymer Lithium-ion rechargeable battery. Pendulum Swing with In- built Polymer Lithium-ion rechargeable battery is a quality MP3 player with FM radio, FM recording, Voice Recording. Available with the 2GB storage facility, the Pendulum Swing with In- built Polymer Lithium-ion rechargeable battery have a warranty period of 1 year. Powered by built-in Polymer Lithium-ion rechargeable battery, this product of the iBall has the following features: