$16.99 – Transmission Rate: 50 (Mbps), Distance(L.O.S): 20m, bluetooth version: 5.2+EDR, Size: 49x49x14mm, Material: ABS, Model: TRX30, Effective Working Distance: 10 (m), Color: Black, Whether it is plug and play: Plug and Play.
Check if there is $16.99 coupon for TRX30 Bluetooth 5.2 Transceiver Audio Transmitter Receiver (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Latest price update (UTC time):
Banggood ($16.99)
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. Well, is it a good price anyway? From what I can see this price is higher than average price ($10.32).
Link: Banggood product page
Price: $16.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG68b0f4, BG589b2e
(these coupons are old, so probably won’t work)
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for TRX30 Bluetooth 5.2 Transceiver Audio Transmitter Receiver. The lowest price was: $9.99.
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)).