By pressing the extra bass button, you can turn on/off lights. With the help of the call button, you can also activate google or Siri.
At the backside there is a rubber door under which a 3.5 mm audio jack, reset button, charging input and USB port to charge other devices is present.
XB 30 sounds much better at the low. Mids are punchy and well detailed. It gets very high without any distortion.
The extra bass button does increase the bass
Two passive radiators are placed in this speaker. One is at the front, and the other is at the back of the speaker.
Battery backup of this speaker is probably the best thing you will love the most. By turning lights off, you can enjoy 20 hours non stop music at medium sound.
Remember- This speaker is not waterproof, it’s just water resistance. That means it can handle the light spray of water. If you accidentally drop the speaker in deep water, it will damage.