Now a days It is very difficult to find out a good speaker. Today I describe about a good product the name of the product is boAt Stone Grenade Speaker . In market different types of speakers are available but this type of speaker are not provided by any company. Boat is a premium brand in the world. Boat produces different types of products like earphone, power bank, speaker and many more. This speaker is a very good speaker by both quality and sounds. This speaker is a bluetooth speaker. This speaker connected in every smart phones. This speaker is very comfortable compared to other speaker. If you think to buy a good bluetooth speaker in this price range this product is highly recommend for you.