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-92dBm RX sensitivity, +9dBm TX output power capability, 24 bit Audio codec, -98dB SNR, DC5V/100MA-1A
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Price history and price alert
Price history (for all/most countries) for B3300 Bluetooth Wireless Earphones is here.
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)).