HAPPRUN 510G Google TV Smart Projector
4K-compatible home cinema with Google TV and Dolby sound
The HAPPRUN 510G is a portable smart projector featuring native 1080p resolution, Google TV integration, and Dolby-enabled audio. Designed for indoor and outdoor use, it supports 4K content, offers voice-controlled streaming, and connects via Wi-Fi 6 and Bluetooth 5.2.
With built-in apps like Netflix and YouTube, it simplifies home entertainment by eliminating the need for external devices. Compact yet capable, this projector targets movie lovers, casual gamers, and anyone seeking a big-screen experience on a reasonable budget.

Home & Living

Travel & Outdoors
Full Review & Insights ▼
The HAPPRUN 510G delivers native 1080p resolution with support for 4K playback, producing vivid and reasonably sharp images enhanced by HDR 10+ and a 20,000:1 contrast ratio. With a brightness rating of 400 ANSI lumens, it performs best in dim or dark environments, though some loss in clarity is noticeable in well-lit rooms.
Edge sharpness can be inconsistent, particularly at wider throw distances, but central image quality remains clear.
A standout feature is its official Google TV system, allowing access to apps such as Netflix and Prime Video without needing a streaming stick. The included Google Voice Assistant streamlines navigation, and compatibility with Google Cast and AirPlay enhances flexibility across devices.
Audio is driven by a 5W built-in speaker with Dolby support, offering clear output for small rooms. For a more immersive experience, external audio via Bluetooth 5.2 or the 3.5mm jack is recommended.
Setup is aided by 6D keystone correction and manual focus, though fine-tuning can be fiddly, especially with corner alignment.
With dimensions of 9.5 x 8.3 x 3.8 inches and weighing 2kg, it's both portable and easy to store, ideal for mobile use and smaller living spaces.
Where it Falls Short
What We Love
✅ Native 1080p with 4K support
✅ Google TV and voice control built-in
✅ Bluetooth and Wi-Fi 6 included
✅ Compact and easy to transport
✅ Supports large image up to 300"
Where it Falls Short
❌ Needs dark room for best image
❌ Weak built-in speaker for outdoor use
❌ Minor blur at image edges
❌ Manual focus requires careful setup
❌ Must be plugged in for use
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Tech
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↓ Applications & Real-World Use ↓
🎬 Home Theater Nights:
Perfect for living rooms or basements with dim lighting, this projector supports large-format viewing and immersive sound with built-in streaming apps and Dolby support.
🏕️ Outdoor Movie Events:
Its portable size and tripod compatibility make it ideal for backyard gatherings or camping trips, although external speakers improve sound in open spaces.
🎮 Casual Gaming Display:
Compatible with gaming consoles via HDMI, it delivers responsive visuals for casual play, though pro gamers may find the slight input lag less optimal.
🏠 Multi-Room Streaming:
Google TV integration allows seamless transitions from bedroom to patio without additional hardware. It’s a solid smart alternative to a traditional TV.
Build Quality & Materials
Plastic: Outer housing and remote control
Glass: Projection lens
Metal (internal): Mounting components and connectors
Silicone: Lens cover and grip pads
Dimensions
Length: 24.1 cm (= 9.5 inch)
Width: 21.1 cm (= 8.3 inch)
Height: 9.7 cm (= 3.8 inch)
Our Take on the Product
The HAPPRUN 510G is a well-balanced smart projector that delivers above-average performance for its class. Its integrated Google TV, versatile connectivity, and decent native resolution make it a compelling option for casual home theaters and portable setups. It’s best suited for users prioritizing convenience and built-in streaming over professional-grade video fidelity.
While its audio and image brightness have room for improvement, particularly in outdoor or brightly lit spaces, the overall value makes it a strong choice for anyone seeking flexible big-screen entertainment at home or on the go.

DID YOU GET ANY OF THAT?
Read a summarization of this page's content in question-answer format ▽ (click to open and collapse the content)
How does native 1080p resolution with HDR support affect image quality?
High pixel density combined with enhanced contrast improves sharpness and depth in darker scenes. While ambient light reduces clarity, central image detail remains consistent in controlled lighting.
Why is integrated Google TV a significant advantage?
Built-in streaming access eliminates the need for external devices, simplifying setup and cable management. Voice control and casting support also broaden content accessibility.
What are the limits of the internal audio system?
The 5W speaker is sufficient for small rooms but lacks the range for cinematic sound. External speakers provide a more immersive experience for movies and large spaces.
What challenges arise from keystone correction and manual focus?
Precise alignment can require careful adjustment, particularly at the corners. This adds setup time when repositioning or changing projection distance.
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