Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Signal to noise ratio: ≥ 85dB, Product size: 114 * 50 * 32mm, Battery specification 3.7V built-in protection board, Output power: 3W THD=10%, Product color: black / white / pink, Rated power: 3W, Interface type: standard MICRO 5PIN, Frequency response: 80Hz-20KHz, bluetooth: 5.0, Charging input: DC5V/1A, Playback duration: 5-6 hours, Battery capacity: 1000 mA, Model: Z7, Distortion: < 0.5%, Speaker: 40 external magnet 2 Ω 3W, Size of color box: 133 * 70 * 38mm
Aliexpress
There’re some similar (or not) items on Aliexpress
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. I couldn’t find any coupon for this product on latest product update.
Link: Banggood product page
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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGAudio3
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for OLAF Wireless Speaker Alarm Clock.
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)).