Net Weight 15g, Input Voltage USB 5V, Model BW-BR1 Pro, Operation Range ≦10 meters, Dimensions 80.5*28*14mm, Input Interface USB /AUX.
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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGprobr1, BGBWBR11, 502C6B, BGpro3bw, BGbr1wb2, BGbr1pro23, bGpAnDacHeCk, AFfbG10, BGVDay10%off, BGMPB2020, BGAFF10OFF, ba5614, bGhOnEy10, BGBW152, BGdragonBoat, BGSS10%SW, BGBW2BR1, bgshOOp10, BGBWBR1AU, BgoFErTaSchInA10, BgcLuBofErtA10, BGBWR1PG, BG11BWBR1ProUK, 10%ForNewBW, BGHONEY2110, 13f142
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – BlitzWolf BW-BR1 Pro Bluetooth V5.0 Audio Transmitter [EU/UK] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for BlitzWolf BW-BR1 Pro Bluetooth V5.0 Audio Transmitter? There we go. The lowest price was: $10.99.
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)).