Size 140x 85x 148mm, Battery Capacity DC 3.7V = 1400mAh, Weight 190g, Color Black, Model G2-1, Remote Control Rated Voltage DC 3V=2032 Button Battery, Quiescent Current <100uA, Power Supply USB Charging, Brand Jeeback, Material ABS, Input DC5V=6W. Just check coupons out (with price alert and history). Do you want to know what the best price is?
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($31.99): BG09f26d
2. ($33.99): BGbf0b8c
3. ($60.34): BGHB218
apply code in your basket (cart) 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): BGJEE20MA, BGwhielabel, BGJEECK20, 13f142, BG10OFFAFF1, BG078012, BGHealth06, BGcac301, 00c906, BG00c906, BGHealth10D, BG05c622, 2022ACTIESNL
(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 Jeeback G2-1 TENS Pulse Neck Massager? There we go. The lowest price was: $29.99.
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)).