Wireless standards / WiFi: Supports dual‐band 2.4 GHz / 5GHz WiFi (802.11b/g/n) for the external WiFi module.
Chipset / WiFi module: For example, modules listed like “8188FTV (2.4G)” or “8821CU (2.4G+5G)”.
Output interface: HDMI (to connect to TV or projector)
Max resolution: Up to 4K (3840×2160) output supported on 5GHz band (or on “5G” version) and 1080p on 2.4GHz band.
USB-power: Requires USB power (5V, 2A typically) via Micro-USB or USB-A cable.
Physical dimensions & weight: About 61 mm × 39 mm × 14 mm, weight ~23g.
Supported protocols:
Miracast (for Android)
AirPlay (for iOS)
DLNA for home multimedia sharing.
System requirements: Works with iOS 8.0+ and Android 4.2+ (for Miracast/AirPlay) in listed specs.
Memory / storage (as listed): Flash 128Mbit (i.e., 16MB) in one listing.
Features & use-case: Plug-and-play dongle for screen mirroring (photos, videos, office PPTs) to TV/projector; supports big screen viewing, extended WiFi hotspot capability in some listings.