The original Nokia audio adapter is designed for the:
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If you have any of the above Nokia models, before you use a standard hands free headset with your cell phone, you will need to plug in the 2.5mm audio adapter in order for the headset to work. Just plug this audio adapter into your cell phone to convert the audio. Works with any standard 2.5 mm jack.
Easily installs; simply plug the audio adapter into your Nokia cell phone audio jack; for use with any 2.5mm, two ring audio deviceManufactured by NokiaOne year warranty
