Paruu Portable Bottle Warmer, 12 oz, 7 Temperature Settings

Settings: Paruu’s portable bottle warmer is a travel-oriented milk warmer with a stated 12 oz capacity, seven temperature choices and a wide opening for cleaning. The listing claims quick heating and multiple warmings per charge, but gives different guidance for heating time and battery life under different test conditions.

At a glance

Seven selectable temperatures span 89°F to 122°F, with Fahrenheit and Celsius switching by holding the plus and minus buttons.
A wide-mouth opening is intended to make wiping and cleaning easier, including while traveling.
The listing claims heating 4 oz of room-temperature milk to 98°F in under 2 minutes, with slower performance possible in low-battery, cold, or charging conditions.
A full charge is claimed to provide up to 12 heats of 4 oz room-temperature milk or six heats of chilled milk.

Price

$49.49Save 10%

Reference price: ~~$54.99~~

Price checked: Nov 12, 2026

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Often bought together

Paruu Portable Breast Milk Cooler, 304 Stainless Steel Breastmilk Chiller for 14–23H Cooling, 10-24oz Breastmilk Storage Container for Travel, Outdoor, New Moms Breastfeeding Essentials, Pink

$27.98

Pros and cons

Pros

Seven temperature choices offer more adjustment than a single fixed-warm setting.
The wide opening may make cleaning and wiping more convenient away from home.
The stated rechargeable battery and travel-focused design avoid requiring an outlet for every warming cycle.

Cons

Heating while charging is discouraged because the listing says efficiency may fall to about one-quarter of normal.
Heating speed is conditional and may drop with a low battery, cold surroundings or use while charging.

Technical specifications

11 specifications

Identity
Brand	Paruu

Dimensions and installation
Weight listed	1.81 pounds
Package dimensions	11.65 x 4.49 x 4.29 inches

Heating and controls
Capacity	Large 12oz Capacity
Temperature settings	89/95/98/104/109/116/122°F (32/35/37/40/43/47/50°C)
Wide-mouth opening	2.75-inch

Battery and charging
Battery	1 Lithium Polymer batteries required. (included)
Charging power	30W
Full charge time	1.5 hours
Claimed room-temperature milk servings per charge	4oz room-temp milk up to 12 times
Claimed chilled milk servings per charge	chilled milk 6 times

What to know before buying

Listing details to confirm

The listing gives inconsistent heating and battery guidance: it claims 4 oz at room temperature reaches 98°F in under 2 minutes and chilled milk in under 4 minutes, while another answer says 2 and 4 minutes, respectively. Battery claims also vary by test: up to 12 room-temperature or six chilled 4 oz heats, versus a separate check describing at least six heats for 4 oz of water from 68–77°F to 109°F. Treat these as condition-dependent listing claims, not guaranteed results. It also says the warmer starts heating automatically after a temperature is selected and recommends a QC or standard charger rated at 30W or less.

Who is it for?

A good fit for

Caregivers seeking a portable warmer with selectable temperatures for travel or nighttime feeding.
Buyers who value a wide opening for cleaning and want a rechargeable option for several warming cycles between charges.

Less suited to

Buyers who need dependable heating while the unit is charging.
Anyone who needs a verified heating time or guaranteed number of cycles across different starting temperatures and conditions.

Paruu Portable Bottle Warmer, 12 oz, 7 Temperature Settings · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 58 ratings

5 stars70%70%
4 stars16%16%
3 stars1%1%
2 stars0%0%
1 star13%13%

Aggregate ratings lean positive, with most ratings in the five-star category, but a meaningful share are one-star. No review comments or explanations are supplied, so the ratings cannot establish what buyers liked or disliked. For a portable warmer, the listing’s condition-dependent heating and battery claims are especially relevant to expectations, but the ratings do not confirm those claims.

Frequently asked questions

How many temperature settings does it have?

The listing specifies seven settings: 89, 95, 98, 104, 109, 116 and 122°F, with Celsius equivalents also provided. Hold the plus and minus buttons together for 2 seconds to switch units.

How quickly does it warm milk?

The listing claims 4 oz of room-temperature milk reaches 98°F in under 2 minutes and chilled milk in under 4 minutes, but another section gives 2- and 4-minute figures. Results are also said to slow in cold conditions, at low battery, or while charging.

Can it heat milk while charging?

The listing advises against it and says heating efficiency may drop to about one-quarter of normal while charging.

How many warming cycles does one charge provide?

The listing claims up to 12 heats of 4 oz room-temperature milk or six heats of chilled milk per full charge. A separate test guideline gives a different battery-life condition, so actual cycles depend on the use conditions.