Would this work with a Blackberry device?

I have only used mine on an IPhone, but, googled your question and got the impression that Yes, you can.....Google your question and a few sites pop up. Hope it helps

Questions & Answers: PLANTRONICS Marque M155 Black Bluetooth Headset

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Item#: N82E16875978194
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PLANTRONICS Marque M155 Black Bluetooth Headset

Talk Time Up to 5 hour(s)
Standby Time Up to 9 days
Rechargeable non-replaceable lithium ion polymer
Bluetooth Version 3.0 A2DP
iPhone 5
0.25 oz.

Out of Stock