$9.87 – ZTTO 350LM COB Wave Sensor Smart LED Headlamp With USB Rechargeable Battery Yellow/Blue AUX Light Waterproof Head Lamp For Running Fishing Hunting Outdoor Flashlight Work Light Torch – White & Yellow.
ZTTO 350lm COB Wave Sensor LED Headlamp is for $9.87 (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest price update (UTC time):
Banggood ($9.87)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Good or bad price? Let’s see… Average price for this item is $11.06 and current one is $9.87, so it’s a good price!
Link: Banggood product page
Price: $9.87
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGdanOFF206, BGcd6a20, BG7347b9, BG0a4bf0, BGXIFD372, BGOutlight10, BG589b2e
(these codes were not working in latest coupon update, but you can check them out anyway)
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.
Price history and price alert
Here is price history (for all/most countries) for ZTTO 350lm COB Wave Sensor LED Headlamp. The lowest price was: $9.64.
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)).