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
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Portable Radio Mini Pocket FM AM Step 9KHZ 10KHZ Stereo Receiver LCD Screen High Sensitivity Rechargeable Built-in Battery | $13.78 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Color: Black, Frequency band: FM 64-108MHz / AM 522-1620KHz (9K) / 520-1710KHz (10K), Power: 6.5mW, Battery: 3.7V 500mA lithium battery, Size: 84*48*12mm/3.31*1.89*0.47in, , Interface: 1 * MIcro USB interface / 1 * 3.5mm audio interface, Material: ABS, SNR: FM ≥30 dB / AM ≥40 dB, Sensitivity: FM ≤8uV / AM ≤20 mV / M
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($19.31): BGAudio9
coupon code has to be applied in shop’s 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): BGAudio3
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for HRD-103 Mini Radio.
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)).