This is not Chromecast, it is a dongle that supports for Google Chromecast.
Specification
Version: 4K
WiFi frequency: 2.4G/5G two specifications
WiFi range: less than 10m
Support 4Ktransmission
Interface: micro USB/HDMI-compatible
Processor: AM8272
Power supply: 5V/2A
Video formats: AVI, DIVX, MKV, DAT, VOB, MPG, MPEG, MOV, MP4, RM, RMVB, WMV
Image format: JPEG, BMP
Audio format: MP3, WMA, OGG, WAV, AAC
feature:
1. HDMI-compatible image
The HDMI-compatible port of this wireless display adapter supports 4K video transmission and high-quality sound output. You can connect your smartphone, laptop or iPad to a TV, projector or monitor and anything you see on your mobile device will be mirrored on the larger screen for easy viewing and sharing.
2. Support multiple devices
You can adapt Miracast or AirPlay/DLNA systems to support IOS or Android devices. Compatible with Android 4.4+, OS X 10.9+, iOS 8.0+, Windows 8.1/10. easy to change. Just move your finger. Also works as an in-vehicle WiFi display (like CarPlay) and an excellent travel companion, just connect the G20 to an in-vehicle HDMI-compatible HDMI-compatible port.
3. Stable Wifi display TV screen mirroring adapter. The external antenna 10m Wifi signal will provide more stable wireless (Wi-Fi: 2.4GHz/5GHZ) than other devices. Adapters for video streaming, web browsing, photo viewer, live camera sharing, media player. There is almost no delay! Your life will be easy.
4. Simple operation
No application or software driver is required. Easily enjoy music, videos, photos, office documents and websites on the big screen in just 3 steps:
Plugins -> Connections -> Mirrors. Plug it into your TV's HDMI-compatible port and use 5V/2mA power, then connect the device via Miracast, Airplay or DLNA mode with instructions, and finally mirror the media to the big screen.
Package Included:
1X wireless receiver
1X USB cable
1X Instructions