Portronics Sound Drum using Bluetooth 4.2 or Aux cable. Don't worry even if your favourite music is in a non-bluetooth device like mp3 player or PC, simply use 3.5 mm Aux port or a pen drive, or Listen to your FM radio programs, be it early the morning bhajans or late night romantic songs using its powerful FM tuner with inbuilt antenna. Faster and more secure Bluetooth 4.2 offering a long range of almost 10m. It comes with 10W speaker (5+5) offering great sound and amplifiers. Powerful 1800mAh lithium Ion battery supports up to 7 hours of playtime. Sound Drum also gives you great convenience of hands-free phone calls. With in-built mic and speakerphone facility so you can take/reject/end calls coming to your smartphone. You can end or deny calls very easily and continue with your favourite songs without missing a note. Water resistant, protected from splashing and light rain. For any product related query, service and warranty contact - 8588835580