Wahl ColorStyle Duo Cordless Trimmer #3031783 – U-Blade & T-Blade

One body, two cutting heads — swap the blade, not the tool.

The Wahl ColorStyle Duo is a cordless trimmer with two quick-detach cutting heads: a U-Blade for smooth trimming and blending, and a T-Blade for edges and line-ups. A 6,000 RPM DC motor drives both. Four hours of runtime on a 150-minute charge, with nine guide combs across the two heads.

• Two heads on one body — you carry one tool and switch between blending and edging in seconds.
• U-Blade at 0.4 mm for smooth trimming; T-Blade at 0.2 mm for clean lines.
• Four hours of runtime is a genuinely long battery for a trimmer at this size.
• Nine combs in total: six for the U-Blade, three for the T-Blade.
• Lightweight at around 140 g with either head fitted.
• Travel lock stops it switching on in a bag, and an LED shows charge.

Specifications

• Brand: Wahl
• Part Number: 3031783
• Motor: DC, 6,000 RPM
• Heads: U-Blade (0.4 mm) and T-Blade (0.2 mm), quick detach
• Power: Cordless only — it cannot be run corded
• Battery: Lithium-ion
• Runtime: 240 minutes
• Charge Time: 150 minutes
• Charging: 2-pin port to USB-A cable, plus charge stand
• Weight: 142 g with U-Blade, 140 g with T-Blade
• Length: 5.73"
• Colour: Pink and black gradient
• Warranty: 1 year
• In the Box: Trimmer, T-Blade head and guard, U-Blade head and guard, 6 U-Blade combs (1.5, 2.25, 3, 4.5, 6, 9.5 mm), 3 T-Blade combs (1.5, 3, 4.5 mm), charge stand, USB-A cable, blade oil, cleaning brush
• Condition: New

Questions Barbers Ask

Is this two tools or one?

One. A single motor body with two interchangeable cutting heads that quick-detach. That is what "Duo" means here.

Can I run it plugged in?

No. It is cordless only — it will not operate on the cable. Worth knowing before it becomes a surprise mid-service.

What is the difference between the two heads?

The U-Blade cuts at 0.4 mm and is shaped for smooth trimming and blending across an area. The T-Blade cuts at 0.2 mm with a wider, squarer profile for edges and line work.

What does "ColorStyle" refer to?

Wahl does not publish a definition, and it is not the same as their Color Pro line, which is named for colour-coded combs. Nothing published describes colour-coded combs on this tool — the only colour reference is the pink and black finish. We are not going to claim more than that.

How long does it run?

Four hours from a 150-minute charge, which is long for a trimmer this size.

Is it a professional or a home tool?

Wahl does not list it on either their Professional or their consumer site, so we cannot put it in a line for you. What we can tell you is the spec: dual-head, cordless only, 6,000 RPM, four-hour runtime, nine combs. Judge it on that rather than a badge.

Why Barbers Love It

Two blade profiles on one battery is a genuinely good travel and second-bag setup — you cover blending and edging without carrying two tools or two chargers.

About Wahl

Wahl has manufactured clippers and trimmers in Sterling, Illinois since 1919.

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