The best tech products announced this week include LG's affordable 4K TVs and Audioengine's standout desktop speakers.

It was launched in Black colour. Connectivity options on the Sharp Aquos S3 include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.00, NFC, 3G, and 4G (with support for Band 40 used by some LTE networks ...