Maximum Length 600mm, Battery Capacity 65mAh(Li-polymer, Micro Port Charging), Bluetooth 3.0.
Basically copy coupon, view price history or create e-mail price alert. 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 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: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 24bws, 502C6B, 12blitzw, BG15B2811, BGBWBS3S, 2019SPEDM, BGss10%bw, AFfbG10, BGSDC, BGBS3SP, BW40OFF, 0e7f33, BGBS3S1, FBCOUPON1
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BlitzWolf BW-BS3 Tripod Selfie Stick White ($-3)
Price history and price alert
Here is price history (for all/most countries) for BlitzWolf BW-BS3 Sports Tripod Selfie Stick Pink. The lowest price was: $11.99.
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)).