Convert your TV to smart with the smart tv stick KD2 from Mecool. Its resolution is 4K Ultra HD and it connects to the TV via HDMI. It has wireless WiFi and bluetooth connections. WiFi connection is necessary for the device to function as it allows you to connect to the internet through your wireless network. Bluetooth connection allows you to cast/share image (photo or video) and sound from your mobile or computer to the device and enjoy it on your TV. Finally, the device is equipped with a smart assistant Google Assistant, so you can control it using voice commands.