Royal Kludge RK61 Bluetooth Keyboard Golden/Ice (Banggood, Aliexpress: Red Switch, USB Wired, Size 291 *101 * 39 mm, Brown Switch, Keys Amount 61 Keys, Weight 770g, Connection Dual Mode, bluetooth 3.0, Battery Capacity 50mAH Built-in lithium battery, Material ABS, Wired: NKRO, System Support Windows /Android/Mac OS, Model RK61, Color Black, Switch Blue Switch, Anti-Ghost Key bluetooth: 6 keys, White (the best price with coupon)).
Just check coupons out (with price alert and history). 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. There is one great coupon!
Link: Banggood product page
1. ($29.99): BGd35150
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGMPB2020, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGCuponation10, BGPLW472, 13f142, BGHONEY2110, BANGGOODSD, BGRiccardo, BGraton, Cityads2213, BGccaa2c, BGc0ac93, BGdc80cb, keyboardMVC, BG44e280, Cuponation9, BGKBandmos12, BG0d722f, BGff5312, BG925f83, BGcf924d, BGfc1a6e, BGca6382, BG030005, BGa5d91c, BGeb6876, BGd5175d, BG4d14a1
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Royal Kludge RK61 Bluetooth Keyboard Golden/Ice is here. The lowest price was: $23.99.
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)).