Charging Time (h) 1.5H/2.5-3H, Standby Time (h) 180H+720H, Supported Profiles HSP/HFP/A2DP/AVRCP, Net Weight (g) 160g, Dimensions 10.6cm*9.4cm*4.1cm, Microphone Yes, Music Time 9H+64H, Brand TRN, Charging current DC5V /1A, bluetooth Chip QCC3020, Battery Capacity Earbud: 80mAh, Frequency Response 20 – 20000Hz, Color Black, Charging Box: 700mAh, Wearing Type TWS, Model BT20S PRO, Material ABS+PC, Volume Control Yes, bluetooth Version V5.0, Transmission Distance 33 feet (10m), Support Audio decoding APT / AAC.
Check coupons or create price alert down below. 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.
Link: Banggood product page
1. ($83.44): BGAlerabatKL
2. ($83.44): BGd173b4
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGSK635, BG4BW25, BGSK196, BGLOAC1, 13f142, BGa0b145, BGBuscape01, BG651551, BGBRPL2, BGHOTSHOP15, BG53e9c8
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for TRN BT20S PRO Bluetooth Headset? There we go. The lowest price was: $59.99.
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)).