ION Dunk (Black) Waterproof Portable Bluetooth Speaker

No matter where you go, no matter what the conditions, with Dunk your music always goes with you!

Dunk is a compact, waterproof speaker with surprisingly big sound. It streams music from any Bluetooth-enabled device from up to 30 feet away. Its rugged, rubberized design is IPX7 waterproof, so if you accidentally drop it in the stream when you’re hiking, it’s no problem. It has a built-in rechargeable battery for over 10 hours of uninterrupted fun and a built-in microphone so you can answer your calls without reaching for your phone. Small, rugged and waterproof, this is your ultimate outdoor entertainment partner.

Specifications subject to change without notice.

• IP67 waterproof and rugged design—it floats!
• Impervious to water, sand and mud
• Full-range driver and bass radiator deliver big sound
• Streams music wirelessly from any Bluetooth device
• Control your music with Play/Pause, Next/Previous Track buttons
• Built-in mic to answer calls and keep your phone dry
• Built-in rechargeable battery provides 10+ hours of continuous use
• 1/8-inch (3.5mm) aux input for non-Bluetooth devices
• Use built-in microphone to send voice commands to your smartphone’s Virtual Assistant (may not be compatible with all smartphones)
• Connects wirelessly to additional Dunk speaker (sold separately) for stereo sound
• *Bluetooth Range – up to 100’ between Cornerstone and Bluetooth source
• Size: 3.75” x 3.75” x 1.65” (95mm x 95mm x 42mm)

Take it with you-it's tough and sporty. With silicon protection on the sides, top and bottom of the sturdy metal frame, this unit is ready to go wherever you want to take it. With the refined design and pleasing texture, the more you play it, the better you like it. And since it's splash-proof (IPX4)* you can use it virtually anywhere, indoors or out!

Take it with you-it's tough and sporty. With silicon protection on the sides, top and bottom of the sturdy metal frame, this unit is ready to go wherever you want to take it. With the refined design and pleasing texture, the more you play it, the better you like it. And since it's splash-proof (IPX4)* you can use it virtually anywhere, indoors or out!

Surround Yourself in Sound

• Bluetooth
• Dirt, Shock & Waterproof
• Flexible Tail & Suction Cup Attachment

Now with stereo linking, the Swimmer Duo gives you more robust sound and better sonic range. Easily link two together and listen to each one as true left and right speakers.

With IPX7 rating, the Swimmer Duo can be immersed in up to 3 feet of water for 30 minutes.

Completely sealed from dirt, dust, mud and sand, the Swimmer keeps all filth out of your favorite tunes.

A rugged rubberized exterior is built to absorb the drops inherent in any great adventure.

Easily link two together and listen to each one as true left and right speakers. 

Loop your Swimmer around virtually any object and for a secure fit, pull the tail through the open slot and twist its end to any side. 

Take the Swimmer's tail and reconfigure it any way you see fit. It doubles as a support base so you can set it up for great sound just about anywhere.

• Total Pieces1

• Included Accessories
  • (1) Removable Suction Cup and Flexible Tail
  • (1) Micro USB Charging Cable
• Optional Accessories
  • (1) Swimmer Duo - Add a second Swimmer Duo for true left & right stereo audio

• Cabinet Warranty1 years
• Drivers Warranty1 years

• Qty Included 1
• Availability US
• Height9.71" (24.66 cm)
• Width2.62" (6.65 cm)
• Weight0.4 lbs (0.18 kg)
• Front Array Driver Complement
  • (1)  1" (2.54 cm) d (Round) - Midrange
• Audio Input3.5mm Auxiliary
• Built-In MicrophoneYes

• Total Frequency Response240 Hz → 16 kHz

• BluetoothYes

• Battery TypeLithium
• Average Playback Time8 hrs

Surround Yourself in Sound

• Bluetooth
• Dirt, Shock & Waterproof
• Flexible Tail & Suction Cup Attachment

Now with stereo linking, the Swimmer Duo gives you more robust sound and better sonic range. Easily link two together and listen to each one as true left and right speakers.

With IPX7 rating, the Swimmer Duo can be immersed in up to 3 feet of water for 30 minutes.

Completely sealed from dirt, dust, mud and sand, the Swimmer keeps all filth out of your favorite tunes.

A rugged rubberized exterior is built to absorb the drops inherent in any great adventure.

Easily link two together and listen to each one as true left and right speakers. 

Loop your Swimmer around virtually any object and for a secure fit, pull the tail through the open slot and twist its end to any side. 

Take the Swimmer's tail and reconfigure it any way you see fit. It doubles as a support base so you can set it up for great sound just about anywhere.

• Total Pieces1

• Included Accessories
  • (1) Removable Suction Cup and Flexible Tail
  • (1) Micro USB Charging Cable
• Optional Accessories
  • (1) Swimmer Duo - Add a second Swimmer Duo for true left & right stereo audio

• Cabinet Warranty1 years
• Drivers Warranty1 years

• Qty Included 1
• Availability US
• Height9.71" (24.66 cm)
• Width2.62" (6.65 cm)
• Weight0.4 lbs (0.18 kg)
• Front Array Driver Complement
  • (1)  1" (2.54 cm) d (Round) - Midrange
• Audio Input3.5mm Auxiliary
• Built-In MicrophoneYes

• Total Frequency Response240 Hz → 16 kHz

• BluetoothYes

• Battery TypeLithium
• Average Playback Time8 hrs

Little Just Got Louder

• Bluetooth
• Dirt, Shock & Waterproof
• Flexible Tail

High-quality portable audio with plenty of punch and rugged waterproof styling to match. It's the go-to choice for awesome sound from a support-compact, wireless device that's as versatile and durable as you are.

With an IPX7 rating, the Swimmer can be immersed in up to 3 feet of water for 30 minutes.

Completely sealed from dirt, dust, mud and sand, the Swimmer keeps all filth out of your favorite tunes.

A rugged rubberized exterior is built to absorb the drops inherent in any great adventure.

Loop your Swimmer around virtually any object and for a secure fit, pull the tail through the open slot and twist its end to any side. 

Flip the tail and hang the Swimmer however you see fit.

Take the Swimmer's tail and reconfigure it any way you see fit. It doubles as a support base so you can set it up for great sound just about anywhere.

• Total Pieces1

• Included Accessories
  • (1) USB Charging Cable

• Cabinet Warranty1 years
• Drivers Warranty1 years

• Qty Included 1
• Availability US
• Height8.89" (22.58 cm)
• Width2.46" (6.25 cm)
• Weight0.35 lbs (0.16 kg)
• Front Array Driver Complement
  • (1)  1" (2.54 cm) d (Round) - Midrange
• Built-In Microphone Yes

• Total Frequency Response240 Hz → 16 kHz

• BluetoothYes

• Battery TypeLithium
• Average Playback Time8 hrs