Amazon has the Pyle Karaoke Microphone Mixer System (PDWMKHRD22WM) for $90 with free shipping. List price: $111. It features two wireless mics, HDMI, and a 3.5mm input.
B&H Photo Video and eBay charge the same.
Amazon has the Anker Roav C1 1080p Dash Cam w/ Built-In WiFi (AK-R21101F1) for $55 - $3 off with coupon C1BDDEAL = $52 with free shipping. Includes Anker Roav C1 1080p Dash Cam w/ Built-In WiFi, Anker Dual Port Car Charger, microUSB Cable, trim removal tool.
Has good Amazon Reviews.