Coolpow CB04 Cup Holder Phone Mount

The Coolpow CB04 is a cup holder phone mount with an adjustable neck and a clamp designed for phones from 4 to 7 inches. Its cup-fitting base avoids attaching the mount to the dashboard or blocking air vents, but fit depends on the vehicle’s cup holder and the phone setup.

At a glance

Cup-holder-mounted base is described as adjustable from 2.6 to 4.0 inches.
Listing describes an adjustable neck up to 11 inches long with 270° movement.
The phone clamp is claimed to fit phones measuring 4–7 inches, including thick cases.
The listing says installation uses the cup holder rather than dashboard adhesive or an air vent.

Price

$14.98Save 12%

Reference price: ~~$16.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

The cup-holder base provides an alternative to dashboard or vent mounting.
An adjustable neck and movable positioning offer flexibility for viewing angle and height.
The stated phone size range and wider, deeper clamp design may suit larger phones and thicker cases.

Cons

The mounting position depends on having a cup holder that fits the adjustable base and leaves a usable viewing position.
The listing identifies the mount as not water resistant.

Technical specifications

14 specifications

Identity
Brand	Coolpow
Model	CB04

Dimensions and installation
Mounting types listed	Cup Holder Mount
Form factor	Rectangular

Materials and protection
Enclosure material	Acrylonitrile Butadiene Styrene
Water resistance listed	Not Water Resistant

Adjustment and compatibility claims
Neck length	up to 11"
Neck movement	270°
Expandable base range	2.6 inches to 4.0 inches
Phone size range	4-7 inch phones

Other listed details
Color	Black
Compatible devices	Smartphones
Compatible vehicle types	Car, Truck, RV, Boat, Golf Cart
Additional features	Ultra Stable, Adjustable, Hand Free, Lightweight, One-Hand Operation, Quick Release Button

What to know before buying

The stated 4–7 inch compatibility and broad phone-model claims are listing claims. Confirm your phone’s dimensions with its case and the cup holder’s usable dimensions before buying. The listed 270° neck movement is not a claim of full 360° rotation.

What’s in the box

Included

Adjustable car cup holder base
Universal phone holder
Adhesive base
User manual

Who is it for?

A good fit for

Drivers who prefer a cup-holder mount over dashboard or vent attachment.
People seeking an adjustable phone position and a clamp advertised for larger phones or thick cases.
Use in a car, truck, RV, boat or golf cart, if its cup holder fits the base.

Less suited to

Buyers who need water resistance.
Vehicles without a suitable cup holder or users who need a mount attached to the dashboard or windshield.

Coolpow CB04 Cup Holder Phone Mount · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 737 ratings

5 stars81%81%
4 stars11%11%
3 stars4%4%
2 stars1%1%
1 star3%3%

Customer feedback highlights secure fit in various cup holders, sturdiness, straightforward setup and use, and an adjustable extension arm. Customers also describe versatility and accommodation of different phone sizes. Those reports are relevant to the listing’s adjustable base and clamp, but they do not establish fit in every vehicle or phone-case combination. Aggregate ratings lean strongly positive, while a smaller share is less favorable, and the ratings alone do not explain why.

Positive themes

Customers report a secure fit in various cup holders.
Feedback describes the mount as sturdy and easy to install and use.
Customers appreciate the adjustable extension arm and its versatility.

Frequently asked questions

What phones is the Coolpow CB04 listed to fit?

The feature description says it fits 4–7 inch phones and is designed for larger phones and thick cases. Check your phone with its case against the clamp dimensions, which are not supplied.

How does the base fit a vehicle cup holder?

The listing says the adjustable base expands from 2.6 inches to 4.0 inches. It does not provide dimensions for particular vehicle cup holders, so fit may vary.

How far can the neck be adjusted?

The listing describes a neck up to 11 inches long that moves by 270°. It does not claim 360° movement.

What components are listed as included?

The manufacturer’s included-components list names an adjustable car cup holder base, universal phone holder, adhesive base and user manual.