Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
bluetooth version: V 5.0, Charging time: 1.5 hours (for earbuds); 2 hours (for charging case via USB); 3.5 hours (for charging case via wireless charger), Audio code format: SBC / AAC / apt, Impedance: 8 Ω, Battery capacity: 65 mAhx 2 (earbuds); 500 mAh (charging case), bluetooth frequency: 2402-2480 MHz, Model: A3909, bluetooth range: 10m / 32ft, Input: 5 V ⎓ 0.5 A, Frequency response: 20 Hz – 20 kHz, Audio Source: iOS / Smartphone / Computer / PC / Notebook / MP4 / MP3., bluetooth profile: AVRCP1.6 / A2DP1.3 / HFP1.7, Brand: Anker, Water resistance: IPX4 (earbuds only)
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. There is one great coupon!
Link: Banggood product page
1. ($150.19): BG1b5830
you should apply the coupon 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): BGA3909, 13f142, BG90bfb8, BGe1a0ca, BGd80715, BGBuscape01, BGfae6af, BGBRPL2, BG0c74d1, BGHOTSHOP15, BG19d841, BG7d1fc5, BGHU1433, BGad8522, BG53e9c8, BGa998c1, BGe3b5b3, BGAlerabatKL, BG393308, BGd173b4, BG62555e, BGROTTERD3, BGbb5eb9, BGAudioVideo, BGAUDIO, BGbd9ccb, BG9ba0e8
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for Anker Soundcore Liberty 2 Pro Bluetooth Earphones ACAA? 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)).