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Small black HDMI streaming stick and matching voice remote

Roku

Roku 3840R HD Streaming Stick with Voice Remote

SKU CH-S673-2HKSM MPN 3840R

Compact HD streaming stick plugs directly into an HDMI port, draws power from the TV, and includes a voice remote with TV controls for simple 1080p playback

  • Remote controllerVoice remote with TV power, volume, and mute buttons
  • Video systemHD TVs Up to 1080p (1920 × 1080) with up-scaling from 720p
  • SoundFeatures Digital stereo over HDMI DTS Digital Surround™ pass
  • Ports inBuilt-in HDMI and USB-C for power
  • Ports outBuilt-in HDMI and USB-C for power
  • Mac compatibleWorks with Roku Smart Home Works with Apple AirPlay and Home
  • Stream HD content up to 1080p resolution with up-scaling from 720p
  • Voice remote controls TV power, volume, and mute in one hand
  • Compact stick powers from TV USB port, no wall outlet needed
  • Dual-band 2.4/5 GHz Wi-Fi 802.11b/g/n for stable streaming
  • Portable design weighs 23 g, take your apps anywhere

HD streaming stick for TV upgrade

The Roku 3840R is a compact media streamer that plugs directly into an HDMI port and draws power from the TV USB-C connection. It delivers up to 1080p video with up-scaling from 720p and supports digital stereo plus DTS Digital Surround pass-through over HDMI. Dual-band 802.11b/g/n Wi-Fi at 2.4 and 5 GHz handles network connectivity.

Buyers wanting simple HD streaming.

This stick suits viewers who want free live channels, major apps and voice search on an HD television without extra cables or a wall outlet. The included voice remote controls TV power, volume and mute alongside the Roku interface. Households requiring 4K resolution, HDR formats or Ethernet connectivity should consider a different device.

1080p output with USB-C power from TV

The single specification that decides fit is the maximum video output of 1920 x 1080 at up to 1080p with up-scaling from 720p, combined with a 5 V 1 A USB-C power draw that many TV USB ports can supply. If the display or projector accepts only higher resolutions or demands more power than the TV port provides, this model will not meet the requirement.

How it compares

Measured against everything we stock in Streaming Players & TV Tuners, at today’s prices. Recalculated every night.

Price $33.99
Cheaper than about 54% of the 274 comparable items (median $37.99).

Specifications

Product
Brand nameRoku
Model name3840R
Part number3840R
Product typeMedia Streamer/Power Bank/ Card Reader/Router
Product colorBlack
Audio & video
SoundFeatures
Digital stereo over HDMI
DTS Digital Surround™ pass through over HDMI
Supports pass-through of Dolby-encoded audio over HDMI
Ports & slots
Ports inBuilt-in HDMI and USB-C for power
Ports outBuilt-in HDMI and USB-C for power
Size & build
MeasurementsPlayer - Out of Box Dimensions
Width: 21 mm, 0.8 in
Height: 11.5 mm, 0.5 in
Depth: 94 mm, 3.7 in
Weight: 23 g, 0.8 oz
Remote - Out of Box Dimensions
Width: 42 mm, 1.7 in
Height: 20 mm, 0.8 in
Length: 140 mm, 5.5 in
Weight: 52 g, 1.8 oz
Retail Package Dimensions
Width: 94 mm, 3.7 in
Height: 146 mm, 5.7 in
Depth: 38.5 mm, 1.5 in
Weight: 156.6 g, 5.5 oz
Product weightPlayer - Out of Box Dimensions
Weight: 23 g, 0.8 oz
Remote - Out of Box Dimensions
Weight: 52 g, 1.8 oz
Retail Package Dimensions
Weight: 156.6 g, 5.5 oz
Shipping weight0.15 kg
Package size145 × 94 × 38 mm
Compatibility
Mac compatibleWorks with Roku Smart Home
Works with Apple AirPlay and HomeKit
Works with Google Home
Works with Alexa
In the box
In the box• Roku® Streaming Stick®
• Voice remote
• Two pre-installed batteries
• Power cable
More details
Remote controllerVoice remote with TV power, volume, and mute buttons
Video systemHD TVs
Up to 1080p (1920 × 1080) with up-scaling from 720p

Questions about this item

Does my TV need a specific HDMI port to fit the 21 mm wide player?

The player measures 21 mm wide and 11.5 mm high, so it fits a standard HDMI port without blocking the neighbouring one.

Will the 802.11b/g/n dual-band Wi-Fi (2.4 GHz / 5 GHz) connect to my older router?

Yes, the stick supports 802.11b/g/n on both 2.4 GHz and 5 GHz bands, matching most routers still in use.

How do I confirm the stick is streaming at 1080p after setup?

Open Settings > Display type on the Roku home screen; it will show 1080p when the TV reports that resolution.

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