The Roku 4 is a set-top box streaming media player. It was launched in October 2015. It can stream media from a networked but cannot store locally to itself. Music streaming, gaming, photo sharing, social networking, shopping, and video streaming features are all officially supported by Roku 4.

Its dimensions is 6.5 cm x 5.5cm x 0.8cm and weighs 408 grams. The flatter top allows to stack items on top of it. The remote has the Bluetooth 4.0 wireless technology, IR transmitter, the lightning connector for charging purposes and has got accelerator and gyroscope sensors. It comes with a rechargeable AA battery that gives months of battery life.

The ports and interfaces available in this TV are HDMI 1.43, 10/100BASE-T Ethernet, IR receiver, USB-C for support and service and a built-in power supply port. The WLAN technology used is 802.11ac Wi-Fi The processor is quad-core ARM processor and comes up with 1.5 GB RAM.

There is also a micro SD slot that can be expanded up to 128 GB storage. It requires 802.11 ac wireless networking, Ethernet network or broadband internet access. The wireless 4K video streaming at 60 frames per second needs IEEE 802.11a/b/g/nor ac and requires an HDMI cable which the user needs to purchase separately.

The video formats supported are AVI, WMV, FLV, MPEG4(MP4) and MOV. It gives the video output of 4K Ultra HD display with 1080p resolution. There is a cheaper model available in the market with the decision of 720p. Similarly, the audio formats supported by this device are AAC (16 to 320 kbps), HE-AAC (V1), MP3 VBR, MP3 (16 to 320 kbps), WMA, WAV Dolby Digital 5.1 and Digital Plus 7.1 along with Apple Lossless. Similarly, the photo formats supported are JPEG and PNG.

Every device is provided access to over 2500+ channels on demand that offers 30000+ movies and television episodes and can search from 20 top streaming channels for best option and price. The Roku 4 remote contains a motion control sensor that comprises individual gaming buttons.

The fantastic features that make this device unique are a voice over command system and many more. It is compatible with Android, iOS and Windows devices.