Microphone Yes, Call Time 4.5H, Supported Profile HSP/HFP/A2DP/AVRCP, Bluetooth Version V5.0, Charging Input of the Charging Box Micro-USB DC4.75-5.25 V/1-400MA, Receive Sensitivity 110dB±3dB, Magnetic Absorption Yes, Charging Input of the Earbuds DC 4.75-5.25V/1-45MA, Audio Encoding Format SBC AAC, Music Time Monaural Earburd with Full Electricity——3-4.5H, Time in Charging the Battery Case + Earbuds——2-3.5H, Transmission Distance ≥ 33 feet (10m), Charging Time Time in Charging the Earburds——1.5H, Consuming All the Electricity of the Charging Box——Up to 20H, Frequency 2.402-2.480GHz, Battery Capacity Earbud——50mAh Polymer lithium battery, Charging Box——500 mAh Polymer lithium battery, Operating Temperature 0℃ – +50℃, Control Type Wireless Connection, Standby Time 180H, Bluetooth Chip RTL8763BFR, Class 2.
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t think there is an active coupon right now – at least in my database.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 20%BW, 15fye4, 15bwear, Alibuy9127, 15BWFYE, 15fye42, e2bcea, 12blitzw, 15BWOLF, 32FYE4, bwfye4, BGBW526, BG3CSUM, BGBH112, BGFYE4, BGFYE407, BGFYE401, BGTWS20, 502C6B, BGFYE4BW, BGFYE499, BGNAFYE4, AFfbG10, BGBWFYE4CN, BGVDay10%off, BG20TWS, BGAFF10OFF, bGhOnEy10, BGBW152, BGBWUU1, bgshOOp10, BGELIG0920, BG11SHOP, 10%ForNewBW, BG4BW25, BGLOAC1, 10%ForBGBW, 13f142, BGa0b145
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Blitzwolf BW-FYE4 True Wireless Earphones ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Blitzwolf BW-FYE4 True Wireless Earphones [EU]? There we go. The lowest price was: $19.99.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for Blitzwolf BW-FYE4 True Wireless Earphones [EU]](https://couponsfromchina.com/pricehistory/History14466.png "Blitzwolf BW-FYE4 True Wireless Earphones [EU] price history")
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)).