This Bluetooth speaker is perfect for any outdoor activity; with a rugged look, IPX7 rating, and 5W for maximum sound quality, this speaker is by far the best on the market for its size. This speaker is completely water proof, dust proof, and shock proof. IPX7- This is for full water splashdown. The speaker may be dropped in water up to 3 feet or 1 meter for up to 30 minutes and still function properly. This Speaker is 5W, most speakers of this size are 3W. This means our device has better sound clarity, longer lasting battery life, and a faster charge.