Roku Streaming Stick 4K (3820R2)

The Roku Streaming Stick 4K (3820R2) is a compact, high-performance streaming device designed to deliver cinematic 4K Ultra HD entertainment while staying completely hidden behind your TV. It combines powerful streaming hardware with advanced HDR support, including Dolby Vision, HDR10+, and HLG, to produce vivid colors, sharp detail, and enhanced contrast. Built for convenience and portability, it plugs directly into your HDMI port and uses a long-range Wi-Fi receiver for improved signal stability, making it an ideal upgrade for users who want premium streaming performance without clutter.

Product Features

4K Ultra HD Streaming with Dolby Vision HDR

The Roku Streaming Stick 4K supports up to 4K resolution at 60fps, delivering ultra-clear visuals for movies, shows, and live content. With Dolby Vision, HDR10, HDR10+, and HLG support, it enhances brightness, color accuracy, and contrast for a more immersive viewing experience.

High-Performance Quad-Core Processing

Powered by a quad-core ARM Cortex A55 processor and 1 GB RAM, the device ensures fast navigation, quick app launches, and smooth playback. It is optimized for high-resolution streaming without buffering interruptions when paired with a stable internet connection.

Long-Range Dual-Band Wi-Fi Connectivity

The device features 802.11ac dual-band Wi-Fi (2.4 GHz and 5 GHz) with a long-range receiver built into the power cable. This design improves signal strength and reduces interference, especially when the TV blocks direct Wi-Fi access.

Hidden Plug-In Design for Clean Setup

Designed as a streaming stick, it plugs directly into the HDMI port and remains hidden behind the TV. This minimizes cable clutter and creates a clean, modern entertainment setup suitable for wall-mounted or compact TV spaces.

Voice Remote with TV Controls

The included voice remote allows users to search content, control playback, and launch apps using voice commands. It also includes dedicated buttons for TV power, volume, and mute, providing full control from a single remote.

Smart Home and Casting Integration

The Roku Streaming Stick 4K supports Apple AirPlay, Apple HomeKit, Google Home, and Amazon Alexa. This enables voice control, screen mirroring, and seamless casting from smartphones, tablets, and smart home devices.

Advanced Audio Passthrough Support

The device supports Dolby Atmos, Dolby Audio, and DTS Digital Surround passthrough over HDMI, delivering immersive surround sound when connected to compatible audio systems or soundbars.

Lightweight and Travel-Friendly Design

Weighing only 26 grams, the device is highly portable and can be easily moved between TVs. Its compact design makes it ideal for travel, secondary TVs, or temporary entertainment setups.

Product Specifications

• Product Name: Roku Streaming Stick 4K
• Model Number: 3820R2
• Processor: Quad-core ARM Cortex A55
• RAM: 1 GB
• Internal Storage: 4 GB (system and apps)
• Operating System: Roku OS with regular updates
• Maximum Resolution: 4K Ultra HD (3840 × 2160) at 60fps
• HDR Support: Dolby Vision, HDR10, HDR10+, HLG
• Video Codecs: H.264, H.265 (HEVC)
• HDMI Output: HDMI 2.0b with HDCP 2.2 support
• Wireless Connectivity: Dual-band Wi-Fi (802.11ac, Wi-Fi 5)
• Wi-Fi Receiver: Long-range receiver integrated into USB power cable
• Power Input: 5V / 1A via Micro-USB
• Power Consumption: <3.5W during streaming, ~2.3W idle
• Audio Support: Dolby Atmos passthrough, Dolby Audio, DTS Digital Surround
• Remote Type: Voice remote with TV controls (power, volume, mute)
• Smart Home Compatibility: Apple AirPlay, HomeKit, Google Home, Amazon Alexa
• Dimensions: 94.5 × 21.1 × 11.5 mm (3.7 × 0.8 × 0.45 inches)
• Weight: 26 g