Talking time: about 4 hours, Battery capacity: 55mAh Lithium-ion battery.
You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Aliexpress
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Here are coupons that you can use.
Latest price update (UTC time):
Price history and price alert
Do you need price history chart (for all/most countries) for M163 Bluetooth Earphone? There we go. The lowest price was: $1.11.
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)).