You don't need Bluetooth headphones here, since there's a 3.5 mm headphone jack. This phone is packing an octa core processor for optimal performance.
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POCO C40 4+64GB 6.71" Power Black DS EU
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Smartphone Xiaomi POCO C40 6,71" 4 GB RAM 64 GB Green
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Smartphone Xiaomi POCO C40 6,71" 4 GB RAM 64 GB Green