The ENRG Jazz speakers work on Bluetooth 4.0 tech, which allows the users to connect and play within a maximum range of 10 meters. It comes with a rechargeable 3.7 V 1800 mAh battery that lasts up to 12 hours when fully charged. It has an in-built 3.5mm jack with power output of 10 watts (5W X 2) and frequency range 40Hz-19 KHz with a standard max volume output of 90db. This speaker system has been built for seamless multi-functional usage. Its power strip allows it to play the most popular MP3 audios from personal devices such as a PC, DVD player or a TV. One can power it on by pressing the round metal switch for few seconds, control the volume by holding down the increase and decrease key and can also change their music track by clicking on the same switches. Users can also connect devices via Aux and stream music using a memory card.