You can create price alert here, copy coupons and view price history. Best price?
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):
Display size: 2.4” touch screen, Interface: Micro USB, Working hours: 6 hours, MIC: Double Silicon MIC, Standby time: 4 days, Battery capacity: 1200mAh, Battery Type: Lithium Polymer 503759, Processor: MT6572, Speaker: Special BOX cavity speaker, Resolution: 240*320, Charging adapter: 5V/1A
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($93.08): ADMITAD2212
2. ($94.08): BG00c906
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGISSAM418, BGtrasYFD, BGVDay10%off, BGNAT10T137, BGTL027, BGAFF10OFF, bGhOnEy10, BG57418, BG57418CZ, BG5741861, BGTTL027, BGdragonBoat, BGSS10%SW, BGT100721, BGT10R027, bgshOOp10, BGLT027, BgoFErTaSchInA10, BGWWN02, BgcLuBofErtA10, BGCuponation10, 13f142, BGTL9378, BGHONEY2110, 7bcdf9, BG197139, BG455ea8, BGef9619, BANGGOODSD, 00c906
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – T10 Real-Time Language Translator [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for T10 Real-Time Language Translator.
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)).