Massage intensity: 3 gears, The best storage and transportation environment temperature: -20°C-50°C, Massage mode: 3 kinds, Operation method: Touch, Battery capacity: 2600mAh, Color: Gray, Temperature range: 3 gears, The best use of ambient temperature: 0°C-35°C.
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.
Updated:
Banggood
Warehouse in China.
Link: SKG 2Pcs BM3-E Leg Massager
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:
1. First page
2. Second page
Price history and price alert
Do you need price history chart (for all/most countries) for SKG 2Pcs BM3-E Leg Massager? There we go. The lowest price was: $49.99.
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)).