Brand Name: Rapoo, Keyboard Color: Black, Model Number: V550RGB, Lifecycle: 60 Million Key-press, Keyboard size: 246mm*166*46mm, Android device(System 4.0+), USB port, Keyboard weight: 509.2 g, Number of keys: 35, Key press force: 50 + / – 5g, Compatibility: Windows XP / Win7/ Win8/ Win10 or leter, Key press whole travel: 2.0mm, Axis Body: Blue Switch, Cable length: 1.8m.
Just check coupons out (with price alert and history). You probably want to know 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 price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($41.58): bGhOnEy10
2. ($41.58): BGdragonBoat
3. ($41.58): BGAFF10OFF
4. ($41.58): BGSS10%SW
5. ($41.58): bgshOOp10
just apply this code in your 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): BGj58958, bgssaff9, AFfbG10, 502C6B, BGBFAFF2019, BGCITYADS2019, BGMPB2020
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Rapoo V550 Mechanical Keyboard Blue Switch. The lowest price was: $36.99.
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)).