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B089PLUS Upgraded B089 3-Fold Keyboard | Integrated Leather Stand & Protective Case

Upgraded version of B089 3-fold bluetooth keyboard with newly added integrated leather stand and full protective case. Premium leather build with numeric keypad, 10-meter stable wireless connection, all-in-one portable storage. Wholesale inquiries are welcome

Dimensions

304.31* 98.12mm (keyboard open state), 152* 98.12mm (keyboard folded state)

Number of keys

81keys

Keyboard weight

252g

Operating voltage

3.0~4.2V

Operating Current

<3mA

Standby Current

<0.5mA

Sleep Time

10 minutes

Sleep Current

<20uA

Operating Range

8-10 meters (unobstructed)

Lithium Battery

140mAh

*Newly Upgraded Integrated Leather Stand & Full Protection Case

Different from the basic B089 model, this upgraded version adds an all-in-one leather case with dual functions of support and protection. When unfolded, the leather case forms a stable bracket to place mobile phones, tablets and other devices for hands-free office work. When folded, the premium leather shell fully wraps the keyboard body to effectively prevent scratches, bumps and dust accumulation during carrying and storage.

*Exquisite 3-Fold Structure, Independent Numeric Keypad & Premium Leather Texture

Inheriting the mature 3-fold compact structure of the classic B089 keyboard, this upgraded model retains the professional independent numeric key area to greatly improve the efficiency of digital input such as data statistics and financial entry. The whole machine is wrapped with high-grade tailored leather material, presenting delicate touch and upscale visual texture, different from ordinary plastic folding keyboards.

*Integrated Storage & Carrying Solution, Zero Burden Mobile Use

Combining storage protection and portable carrying into one integrated system, no additional storage bag or protective cover is required. The upgraded leather case perfectly fits the keyboard body, realizing integrated folding storage. The ultra-compact folded size can be easily put into backpacks, handbags and briefcases, meeting the portable needs of business trips, travel and outdoor mobile office.

*10-Meter Long-Range Stable Bluetooth Transmission, Flexible Wireless Operation

Equipped with optimized Bluetooth wireless module, it supports stable signal transmission within an effective 10-meter range. It avoids frequent disconnection and signal lag, allowing users to freely adjust the placement of tablets and mobile devices within the effective distance. It greatly improves the flexibility of wireless office and meets multi-scene remote operation needs.

Dimensions

304.31* 98.12mm (keyboard open state), 152* 98.12mm (keyboard folded state)

Number of keys

81keys

Keyboard weight

252g

Operating voltage

3.0~4.2V

Operating Current

<3mA

Standby Current

<0.5mA

Sleep Time

10 minutes

Sleep Current

<20uA

Operating Range

8-10 meters (unobstructed)

Lithium Battery

140mAh

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Company Overview

BATTLELF is an exclusive brand under Shenzhen DZH Industrial Co., Ltd. DZH was established in 2010, specializing in the research, development, and manufacturing of scissor-switch keyboards and laptop/tablet peripherals.Bases in Shenzhen and Huizhou covering about 40,000 square meters, DZH has developed into a well-established manufacturer serving global OEM/ODM customers with efficient product development, stable production, and reliable quality control.BATTLELF provides OEM/ODM support from product design and development to mass production. With integrated capabilities in tooling, manufacturing, and quality control, we help customers turn ideas into reliable products with efficient project execution.

Certificates

Factory Show

FAQ

What devices & systems can these foldable Bluetooth keyboards connect to?

All our keyboards support Windows, macOS, Android and iOS systems. They pair smoothly with smartphones, tablets, laptops via stable Bluetooth connection. Multiple models support one-click multi-device switching to quickly swap between 2-3 paired gadgets. Contact us for details on connecting to other systems.

Optimized Bluetooth modules deliver steady transmission within 8–10 meters without signal dropouts. The sensitive touchpad and scissor-switch keys bring lag-free typing and cursor control for daily office tasks.

We adopt optimized silent scissor-foot mechanism for all our keyboards. It greatly reduces typing noise to avoid disturbing surrounding people, making it suitable for libraries, offices and public quiet spaces. Meanwhile, the structure brings soft, consistent keystroke feedback and long service life with durable rebound performance.

 Our exclusive proprietary hinge offers silky smooth fold and unfold hand feel. It locks the keyboard frame firmly for steady, comfortable typing feedback, and maintains consistent tightness for long-lasting daily use.