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Resolution: 1920x 1080 (max), WiFi range: 10m and less, CPU version / processor: AM8252B, CPU speed: 600MHz
Aliexpress
There’re some similar (or not) items on Aliexpress
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Price history and price alert
Check out price history chart (for all/most countries) for MiraScreen G2 HDMI Dongle.
Price records source(s): Gearbest
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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)).