Insta360 X4 Battery Review: Are the K&F CONCEPT Cheap Alternatives Worth It?

Impact photo featuring K&F Concept X4 batteries, charger, and Insta360 X4 camera arranged for a product review.
Genuine (OEM) Insta360 X4 accessories tend to be quite expensive, and if you plan to use your 360° camera intensively, having a few extra...

ACMER S1 6W Laser Engraver — Precision & Portability

Acmer S1 6W laser engraver on a wooden workbench, engraving a tiger head
The ACMER S1 6W, a compact yet powerful laser engraver, is rapidly becoming one of my favorite go-to small-scale lasers. Despite its friendly price...

BetaFPV Meteor75 Pro O4: 4K Whoop in your pocket

BetaFPV Meteor75 Pro O4 micro drone on display with prop guards and HD camera, set against a clean background.
The BetaFPV Meteor75 Pro O4 is the second in the series reviewed here on FirstQuadcopter. This Whoop-style FPV drone has evolved significantly in the...

CNHL 3S 650mAh & 850mAh 70C: MiniStar for Whoops!

CNHL MiniStar 3s 650mah and 850mah lipo batteries
Over the last few years, I’ve reviewed 2S, 4S, and 6S batteries from CNHL, and now it’s time to take a closer look at...

RUKO U11MINI 4K: Pricey, but Packed with Potential?

Ruko U11Mini 4K
When people think of copier machines, many think of Xerox. When they think of angle grinders, they think of Flex. And when it comes...

FlyFishRC Frames Now Support DJI O4 — Here’s What You Need to Know

FlyFishRC DJI O4 FPV
Shortly after the official release of the DJI O4 Air Unit, FlyFishRC updated their line of FPV frames to support this new HD digital...

DeeRC D65 drone: Ultra Light. Ultra Cheap. Ultra Fun!

DeeRC D65
If you’ve been searching for an affordable, feature-packed drone that won’t break the bank or require complicated registration processes, the new DeeRC D65 Class...

Chitu Systems Hoopat: No Screws, No Stress – Just swap and Print

Chitu Systems Hoopat
If you are into 3D printing, you probably already know that replacing the film in a conventional resin tank is one of the most...

CNHL 2S 650mAh 70C: MiniStar for Micros!

CNHL MiniStar 2S 650mAh
Recently, I received a drone for review, a 2-inch CineWhoop-style model compatible with 2S and 3S batteries. The manufacturer recommends battery capacities ranging from...

MEPS SZ1404: Small Size, Low power use, Big Performance

MEPS SZ1404
In the world of FPV, 2-2.5" CineWhoops are gaining popularity for their smooth, cinematic footage and agile flight characteristics. Their compact size allows for...

Holy Stone HS360E: Fly free, capture 4K for just $1/1g

Holy Stone HS360E drone
The Holy Stone HS360E is a beginner-friendly 4K camera drone that weighs under 250g and costs just $1 per gram. Packed with features like...