Fully functional and tested. They sound great.
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WF-C500 Wireless Bluetooth Earbuds
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Sony WF-C500 True Wireless In-Ear Earbud TWS Bluetooth Headphones with Mic & IPX4 Water Resistance Clear Call Voice sony WFC500 - AliExpress
This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day limited
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Anybody using Sony wf-c500 earphones? - Samsung Members
How To Pair Sony WF-C500 (Laptop, iPhone & iPad)
Sony WF-C500 review: For commuters and athletes - SoundGuys
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Fully functional and tested. They sound great.
Sony WF-C500 True Wireless Bluetooth In-Ear Headphone Green WFC500
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Sony WF-C500 review: For commuters and athletes - SoundGuys