Charging Time.: 2h, Frequency response: 20-20000Hz, Bluetooth Version: V4.0.
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Aliexpress
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Price history and price alert
Here is price history (for all/most countries) for FineBlue F980 Bluetooth Earphones. The lowest price was: $13.11.
Price records source(s): Gearbest
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).