Has 106mm driver, open-back design, and 10Hz - 50kHz frequency response.
Monoprice has the Monoprice Strata 800W Home Sous Vide Precision Immersion Cooker (21594) for $42 with free shipping.
Has 3.7" IPS color screen, Wi-Fi and is shipped fully assembled. Includes sample PLA filament, plastic bed scraper and MicroSD card.
Adjustable from 26.8" to 43.3" and can hold speakers weighing up to 5-lbs each.
Here is an in-depth review of the Vertex, which is HDMI 2.0b/HDCP 2.2 compatible, supports 4K/60p and 4:4:4 at up to 600MHz. Monoprice has the Monoprice HDFury 4K Vertex (30458 / 130458) on sale for $250 + $7 shipping = $257 shipped.
Here is an in-depth review of the Vertex, which is HDMI 2.0b/HDCP 2.2 compatible, ... More Details
Monoprice has the Monoprice SonicSolace Active Noise Cancelling Wireless Bluetooth Over-Ear Headphones (Champagne with Tan, 16218 / 116218) for $45 with free shipping.