The Harman Kardon Onyx Studio 3 is a full-featured, portable Bluetooth speaker. You can enjoy up to five hours of music playtime thanks to the rechargeable battery, and can even make clear phone calls with the built-in microphone.
The Harman Kardon Onyx Studio 3 lets you stream your music over Bluetooth - no need for any messy wires. You can connect up to three devices at the same time, so you and your friends can take it in turns to choose the music.
Keep the party going for longer
With a built-in rechargeable Li-ion battery, you can get up to five hours of music playback from the Onyx Studio 3.
Make clear calls
Using the built in microphone, and noise and echo cancelling technology, the Onyx Studio 3 lets you make crystal clear calls.
Connect your speakers together
You can wirelessly connect two Harman Kardon Wireless Dual Sound enabled speakers, so you can get an even better listening experience, and fill the room with your favourite tunes.
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Includes 24 month Airtime Plan on our Pay Monthly Mobile Agreement and options to pay for your devices on a consumer credit agreement or pay cash upfront. Subject to status, credit check, and payment by Direct Debit. Applicants 18+. Subject to availability. Credit provided by Telefónica UK Limited trading as ‘O2’, 260 Bath Road, Slough, Berks SL1 4DX. In relation to consumer credit, Telefónica UK Limited is authorised and regulated by the Financial Conduct Authority (Reference Number 718822). Terms apply, visit o2.co.uk/termsandconditions.
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O2 Refresh separates your Device Plan from your Airtime Plan so you can just pay off the cost of your device when you want to upgrade.