Does exactly what it says - turns Bose QC3 headphones into Bluetooth compatible! I've had QC3s for years and finally wanted to go wireless - after trying a cheaper Bluetooth adapter that didn't even fit in the Bose input jack (for some reason Bose uses a custom size for their inputs, which is very annoying), I tried it and it's perfect. I was expecting a drop in sound quality, but I didn't notice any drop in sound quality. Battery life is excellent for a typical workday. It's small, very light - I don't even realize it's attached to the headphones. I've had it for about a week now and use it every day - so far I'm very happy with this purchase and would recommend! TOP price, great product!
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