Weight: 500g, Charging time: about 3.5 hours, Fully charged operating time: 4 hours, Material: Sharp ceramic + stainless steel, Brand: JASE, Battery type: 18650 lithium battery, Charger: AC 100-240V/50-60Hz, Output current: DC5V/2000mA, Charging specification: 3.7V/2000mA, Model: PC-900.
Aliexpress
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Here are coupons that you can use.
Updated:
Banggood
Warehouse in China.
Link: JASE PC-900 Dog Hair Clipper Trimmer Youpin
$30.93 with coupon: Cuponation9
$31.27 with coupon: BG58e9cf
$31.27 with coupon: hoNEYbGdeAlS
$31.27 with coupon: BG8ReviTrage
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Do you need price history chart (for all/most countries) for JASE PC-900 Dog Hair Clipper Trimmer Youpin? There we go. The lowest price was: $30.93.
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)).