Headphone 22.8x21x22.2 (mm), Operating time 10 hours with charging case, bluetooth protocol version HFP HSP A2DP AVRCP, Drive diameter Codec 6mm SBC, Brand Nokia, Charging time about 2 hours, Frequency Range 20Hz-20KHz, Capacity “Earphone: 45mAh Charging case: 400mAh”, Weight 50g, Sound pressure level(SPL) 91dB(1kHz/1mW), Material ABS + PC, Charging box 61.1×33.3×30.5 (mm), Impedance 32 /00€, Model E3100, bluetooth 5.0.
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG7a1397, BG675d5f, BGBuscape01, BGbfa876, BG435c92, BGBRPL2, BGe95d52, BGHOTSHOP15, BG53e9c8, BGAlerabatKL, BGd173b4, BGAudioVideo, BGAUDIO, BG9ba0e8, BG1b5830, BGAudio3, BGAudio9
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Nokia E3100 Bluetooth 5.0 Earphones. The lowest price was: $21.99.
Price records source(s): Banggood
Click on image to enlarge. 
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)).