Just check coupons out (with price alert and history). Best price?
Housing material: ABS, Infrared wavelength: 950±50nm, Infrared carrier frequency: 38.0±0.5KHz, Operating voltage range: 2.2 ~ 3.6V, Working temperature: -20 ° C ~ 50 ° C, Battery specifications: AAA 1.5*2, Modulation frequency: 2.4~2.4835GHz, Bluetooth carrier frequency: 2.400GHz ~ 2.4835GHz
Aliexpress
There’re some similar (or not) items on Aliexpress
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. One coupon is available. Cool!
Link: Banggood product page
1. ($18.79): BG00c906
just apply this code 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/5cd
Old coupons (from the oldest to the newest): aff7off, BGBFAFF2019, 13f142, BG9NY, bGpAnDacHeCk, BGMPB2020, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BGCuponation10, 0.00, BANGGOODSD, 6GSGIT, 00c906, BGef96eb, 2022ACTIESNL, Terence, Tabby20, 2203ActiesNL, CouponsdePC, pROMo8cuPoN
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for Q8 Bluetooth Voice Remote Controller Air Mouse? There we go.
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)).