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NULLTONEX Bluetooth Thermal Shipping Label Printer: 4x6 vs HP Smart Tank Plus 651 Wireless All-in-One

Updated August 2026 — NULLTONEX Bluetooth Thermal Shipping Label Printer: 4x6 wins on compatibility and support, HP Smart Tank Plus 651 Wireless All-in-One wins on cost efficiency and print quality.

The Bluetooth Thermal Shipping Label Printer is ideal for small businesses needing fast label printing, while the HP Smart Tank Plus 651 is a versatile all-in-one printer for home use.

Why NULLTONEX Bluetooth Thermal Shipping Label Printer: 4x6 is better

Cost

Lower initial price at $84.99

Speed

Prints 72 labels per minute

Compatibility

Works with various shipping platforms

Why HP Smart Tank Plus 651 Wireless All-in-One is better

Functionality

All-in-one capabilities including scanning and copying

Ink Savings

Includes 2 years of ink for high-volume printing

Print Quality

Offers color printing and borderless options

Overall score

NULLTONEX Bluetooth Thermal Shipping Label Printer: 4x6
75
HP Smart Tank Plus 651 Wireless All-in-One
85

Specifications

SpecNULLTONEX Bluetooth Thermal Shipping Label Printer: 4x6HP Smart Tank Plus 651 Wireless All-in-One
Print TypeBlack & WhiteColor
ConnectivityBluetooth, USBWiFi, USB
Setup Time2 mins5 mins
SupportStrongModerate
Target AudienceSmall BusinessesHome Users

Dimension comparison

NULLTONEX Bluetooth Thermal Shipping Label Printer: 4x6HP Smart Tank Plus 651 Wireless All-in-One

Overview of the Products

When comparing the Bluetooth Thermal Shipping Label Printer and the HP Smart Tank Plus 651 Wireless All-in-One Printer, it's clear they serve different purposes. The label printer is designed specifically for shipping and label-making needs, while the HP printer is a multifunctional all-in-one device suitable for home use. This distinction is crucial when deciding which printer best meets your requirements.

The Bluetooth Thermal Shipping Label Printer, priced at $84.99, is tailored for small businesses and e-commerce operations, enabling efficient label printing for various platforms like Amazon and eBay. In contrast, the HP Smart Tank Plus 651, priced significantly higher at $329.89, offers a full suite of printing, scanning, copying, and faxing functions, making it a versatile choice for home users needing all-around capabilities.

Printing Capabilities

The Bluetooth Thermal Shipping Label Printer excels in its printing speed and efficiency, capable of producing 4x6 labels at a rate of 72 labels per minute. This fast printing capability is especially beneficial for businesses during peak shipping hours. On the other hand, the HP Smart Tank Plus 651 focuses on high-quality color printing and is designed to handle a variety of documents, including borderless prints.

While the label printer only supports black-and-white thermal printing, the HP model provides the flexibility of color printing and can produce thousands of pages with its cartridge-free ink tank system. This makes the HP printer a better option for those who need to print a diverse array of documents rather than solely shipping labels.

Cost of Ownership

In terms of initial investment, the Bluetooth Thermal Shipping Label Printer is about 74% cheaper at $84.99 compared to the HP Smart Tank Plus 651 at $329.89. However, the HP printer offers significant savings in ink costs with up to two years of ink included, allowing for thousands of pages to be printed without the need for frequent cartridge replacements.

The HP Smart Tank Plus 651 is designed for high-volume printing, providing up to 8,000 color pages or 6,000 black pages, which can lead to lower long-term operating costs for users with significant printing needs. This economic consideration is essential for anyone looking to balance upfront costs with ongoing expenses.

Ease of Use

The Bluetooth Thermal Shipping Label Printer boasts a plug-and-play design that allows users to set it up in under two minutes, requiring no complex installations or drivers. Its Bluetooth capability enables seamless pairing with various devices, although Mac and Chromebook users won't benefit from Bluetooth printing.

Conversely, the HP Smart Tank Plus 651 also emphasizes ease of use, featuring a mess-free ink refill system that simplifies maintenance. Both printers are designed with user-friendliness in mind, but the label printer's rapid setup may appeal more to small businesses that prioritize efficiency over multifunctionality.

Compatibility

The Bluetooth Thermal Shipping Label Printer offers broad compatibility with devices running Windows, macOS, iOS, Android, and Chromebook systems, making it versatile for various users. However, it is important to note that Mac and Chromebook users cannot utilize Bluetooth printing, which limits functionality for some.

In comparison, the HP Smart Tank Plus 651 provides mobile printing options and is designed for seamless integration into home office setups. Users who require a printer that can handle multiple document types across different devices may find the HP printer more suitable due to its extensive feature set and compatibility with mobile devices.

Customer Support

Customer support for the Bluetooth Thermal Shipping Label Printer is robust, with a dedicated support team available through live chat, phone, and email, ensuring users can get assistance when needed. This level of support is invaluable for businesses that rely on their printing equipment for daily operations.

On the other hand, while the HP Smart Tank Plus 651 also comes from a reputable brand known for innovation, details about specific support options are not as prominently featured. However, HP’s established reputation often implies a solid support framework, which is crucial for users looking for reliable service.

Design and Aesthetics

The design of the Bluetooth Thermal Shipping Label Printer is practical, focusing on functionality with a sleek white finish that fits well in office environments. Its compact size is an advantage for small spaces, particularly in warehouses or home offices where space is at a premium.

The HP Smart Tank Plus 651, while larger, is designed to be aesthetically pleasing with a modern look that complements home offices. Its multifunctional design allows it to serve as a central hub for printing needs, making it an attractive option for users who value both form and function in their workspace.

Which should you buy?

Choosing between the Bluetooth Thermal Shipping Label Printer and the HP Smart Tank Plus 651 ultimately depends on your specific needs. If you're a small business focused on shipping and require efficient label printing, the Bluetooth Thermal Shipping Label Printer is a cost-effective solution at $84.99, providing fast print speeds and broad compatibility.

However, if you're looking for a versatile all-in-one printer for home use that can handle various tasks—from printing to scanning and copying—the HP Smart Tank Plus 651 is the better investment. With its higher price point of $329.89, it offers long-term savings on ink and the convenience of multifunctionality. Consider your primary printing needs and choose accordingly.