Exclusive on Amazon.com, November 20–December 1, 2025 — Save up to $880 on Dangbei’s best-selling smart projectors, including premium 4K home cinema and portable models WASHINGTON, Nov. 20, 2025 (GLOBE NEWSWIRE) -- Dangbei, a global leader in smart projection and home entertainment technology, is joining this year’s Black Friday and Cyber Monday (BFCM) shopping event on Amazon.com with unprecedented discounts. From November 20 to December 1, 2025, customers can save up to 45% on Dangbei’s flagship 4K laser ...