No-load Speed About 380rpm, Screen 16*96 OLED, Electronic Torque 1.5kgf.cm, 000 rpm brush motor, Main Chip STM32, Screwdriver Bit 4MM hexagon, Charging Time 45min, Battery 300mAh 10440 Lithium-ion battery, Operation Voltage DC 3-5V, Sensor Angular velocity sensor, Running Time 30min (full power), Gearbox 1: 64 Integrated planetary gearbox, Rotor Bidirectional overrunning clutch, Maximum Torque 30kgf.cm (manual mode), Body Material 304 Stainless steel(Silver), Charging Mode Micro USB 5V Input, Motor 25.
Basically copy coupon, view price history or create e-mail price alert. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($95.71): bGhOnEy10
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 502C6B, 20tools, 759ccb, 6C8E66, AFfbG10, TS15prime, TISPrime01, Tools1, Tools3, BGCITYADS2019, BGPowerTool15, BG2020NS, BG3074
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for MINI ES121V Electric Screwdriver Upgraded? There we go. The lowest price was: $76.49.
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)).