The WONDERBOOM packs a punch for its size: 360° sound, Bluetooth connectivity up to 100 feet away and a 10-hour battery life. It is also equipped with IPX7 waterproofing, which allows it to withstand depths of a metre for upto 30 mins. Other features: the ability to connect with another WONDERBOOM simultaneously and micro-USB connectivity. (₹7,499, amazon.in)