Ultimate Ears, BOOM 3 Wireless Bluetooth Speaker, Bold Sound + Deep Bass, Bluetooth, Magic Button, Waterproof, 15-Hour Battery, Range of 150 Ft, Ultraviolet Purple by Amazon.co.uk

• Loud and Immersive 360-Degree Sound: The Ultimate Ears BOOM 3 delivers an immersive and loud 360-degree sound, featuring deep and accurate bass; the sound has been carefully balanced so you can hear each note very clearly

• Integrated Magic Button: The BOOM 3 allows users to play, pause and skip tracks directly on the speaker for any streaming music program; on top, a long push on the magic button will play directly your playlists for Apple Music or Deezer Premium Plus - no need to reach your phone

• Wireless Charging: The BOOM 3 Wireless Bluetooth Speaker allows users to charge wirelessly with a power up charging dock (sold separately); this grab-and-go feature ensures you always have a fully charged unit

• Fully Waterproof and Floats: This waterproof wireless speaker boasts an insane IP67 water and dustproof rating; it can be completely submerged in water for up to 30 minutes - and it floats

• Enhanced Battery Technology: Utilising similar battery technology to modern electric cars, the BOOM 3 will stay powered and pump tunes throughout your day, operating up to 15 hours

• Maximum sound pressure level: 90 dBC. Frequency range: 90 Hz - 20 kHz Speakers: two 2 "coils and two passive 2" by 4 "coils.