Amazon is offering Zamkol Waterproof Bluetooth Speakers for $29 with an on-page coupon and discount code LFXI7WNT at the checkout. Usually, $48, the offer today saves $19.
The Zamkol Bluetooth speaker has a 24W (2 x 12W) full range of DSP audio technology, pumps out crisp treble(Pianos/Violin), detailed mids, and resonating bass(Acoustic Guitar/Drum) back to back neodymium drivers, and stereo widening.
When connecting two ZK606 wireless speakers to create a truly wireless setup, playing is possible for both sides. If the device has a function that is similar to Bluetooth then in sync the can be played on both devices with double enhanced stereo sound.
A portable Bluetooth speaker built-in 5200 mAh (2 x 2600mAh) rechargeable lithium-ion battery, which can provide up to 15 hours of playback time (playing at 1/5 volume), 10 hours of playback time (play at 2/3 volume), Bluetooth 4.0 transmission, wake-up function, and noise elimination function, etc. The included 3.5mm audio cable can be used to play audio from TVs and non-Bluetooth devices.
With this IPX6 protection, it keeps you dry and safe, even from the elements. So that you use waterproof speakers around your pool, swimming in the sea, singing in the shower, and dancing on a rainy day. Thus, they cannot withstand being submerged for a very long time.