The Harman Kardon Onyx Mini is small enough to carry around with you, and in terms of quality, size really doesn't matter. With the signature Harman Kardon sound and design, it looks good and sounds great.
Keep the party going for longer
With up to 10 hours of battery life, you can listen to your favourite songs long into the night. And with a built-in rechargeable battery, when the power?s running low, you can just stick it on charge and keep the music coming.
Stream your music wirelessly
Connect your phone to the Harman Kardon Onyx Mini wirelessly over Bluetooth. No messy wires to worry about. You can connect up to three devices at the same time, and take it turns to choose the tunes.
Make calls using the built-in microphone
Work conference calls. Catching up with friends. Wishing the family a ?Happy Christmas?. It?s good to talk, and thanks to a built-in microphone, you can make calls over the Harman Kardon Onyx Mini. It even uses Harman noise and echo cancelling technology, so you get clear calls with no interruptions.
Meet our Gurus - your friendly experts in all things tech.
From helping you set up your new device, to getting you up to speed with the latest tech - O2 Gurus are here to help. Book a Guru session in your nearest store, take a look at our videos or chat to us online.
For your everyday rituals, we've got offers like £1 lunch on Mondays. Fancy an every-so-often treat? Try getting tickets to that gig 48 hours before your friends. And then there's your chance to win once-in-a-lifetime experiences.
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.
Upgrade when you want to with O2 Refresh
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.