Valentina Palladino / Engadget
Sonys WH-1000XM4 headphones drop to $278, plus the rest of the weeks best tech deals – You can pick up everything from headphones to video games to smartwatches on sale this week. Sonys WH-1000XM4 ANC headphones are $72 off and down to $278, while the Apple Watch Series 7 is up to $50 off at Amazon. Nintendo celebrated Mar10 Day this week by discounting a bunch …