Smart TV dongle Amazon 4K Ultra HD USB, Wi‑Fi 6 (802.11ax), 3840×2160, USB powered, black

The Amazon Smart TV dongle 4K Ultra HD USB is a compact streaming adapter that adds smart functionality to TVs and displays without built-in apps. It supports 4K Ultra HD playback up to 3840×2160 pixels and 2160p video modes. The device is USB powered and connects to home networks using Wi‑Fi 6 (802.11ax) on 2.4 GHz and 5 GHz bands. A USB Type‑A to Micro‑USB Type‑B cable is included for power. The product is finished in black and is intended to provide fast app loading, smooth navigation and access to popular streaming services when attached to a compatible screen.

Advantages

This dongle delivers native 4K Ultra HD resolution and supports HDR formats for improved contrast and colour depth, enabling clearer detail on compatible displays. Using Wi‑Fi 6 (802.11ax) improves wireless bandwidth and stability for high-bitrate streams on both 2.4 GHz and 5 GHz bands. USB power eliminates the need for an external wall adapter in many setups and the included USB Type‑A to Micro‑USB Type‑B cable simplifies connection. The compact form factor makes the device easy to install behind a TV or move between displays.

Suitable for

• Adding smart streaming capabilities to HDTVs and monitors without built-in apps
• Streaming 4K Ultra HD video from popular services
• Use in living rooms, bedrooms or secondary screens where compact, USB‑powered devices are preferred

Key specifications

• Resolution: 3840 × 2160 pixels (4K Ultra HD)
• Supported video mode: 2160p
• Network: Wi‑Fi 6 (802.11ax), 2.4 GHz and 5 GHz bands
• Device interface and power: USB (USB Type‑A to Micro‑USB Type‑B cable included)
• Colour: Black

How to use

Connect the dongle to a compatible display and provide power through a USB port using the supplied USB Type‑A to Micro‑USB Type‑B cable. Ensure the TV or monitor accepts the device and that the display input is set appropriately. Follow on‑screen setup prompts to connect the dongle to your Wi‑Fi 6 network and sign in to the desired streaming services. After setup, use the supplied remote or on‑screen controls to launch apps, select content and adjust basic playback settings.

Recommendations

For reliable 4K streaming, place the Wi‑Fi router within reasonable range of the dongle and minimize obstructions between router and device. Use a USB power source that supplies stable current; if the TV’s USB port cannot provide sufficient power, use a compatible USB power adapter. Keep firmware and streaming apps up to date to ensure compatibility and performance.