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B121S 2-zone numeric keyboard with display
B121S 2-zone numeric keyboard with display

B121S Upgraded Dual-Mode Wireless Keyboard With Digital Display, Compact Scissor-Switch Keypad

As the upgraded version of dual-zone wireless keyboard, this unit is equipped with extra practical digital display module. It retains Bluetooth & 2.4G dual-connection together with matching receiver. Scissor-switch keys ensure quiet typing. Its compact body facilitates outdoor carry-on. Available in premium color variants and compatible with mainstream operating systems, it fits personal office scenarios as well as enterprise bulk procurement

Dimensions

148.49*126.69*15.99mm
Number of keys

32keys
Keyboard Weight

170g
Operating Voltage

3.3~4.2V
Operating Current

<3mA
Standby current

<0.15mA
Sleep time

10 minutes
Sleep current

<10 uA
Operating range

10 meters (unobstructed)
Lithium battery

180mAh
Inquiry

*Dual-Functional Zoned Layout, Integrated Numeric Input & Shortcut Operation  

Keys are separated into independent numeric section and combined area for arrow & shortcut keys. It supports mass-figure entry, page turning and function triggering without switching peripherals, greatly boosting efficiency for spreadsheet processing and document editing.

*Bluetooth & 2.4G Dual-Mode Connection, Equipped With Matching USB Receiver

Two optional wireless transmission modes for flexible usage. Bluetooth enables fast pairing for tablets and smartphones. The included 2.4G dongle supports plug-and-play for desktops and legacy devices, delivering stable connection for diverse usage environments.

*Upgraded Built-In Digital Display For Extra Practical Functions

Compared with the base model, it adds a built-in digital display to show real-time data. It brings extra benefits for data statistics and account checking, realizing multi-purpose application and enriching the practical value of the keyboard.

*Noise-Reduced Scissor-Switch Keys, Exquisite Body For Portable Usage

Adopting scissor-switch key structure with soft feedback and effective noise suppression. Optimized compact size saves storage space, bringing zero burden for commuting and business trips.

*Multiple Premium Color Options & Broad Full-System Compatibility  

It comes with multiple tasteful premium-grade colors with minimalist elegant appearance. It works seamlessly with mainstream systems for computers, tablets and mobile phones, supporting smooth cross-device workflow.

Dimensions

148.49*126.69*15.99mm
Number of keys

32keys
Keyboard Weight

170g
Operating Voltage

3.3~4.2V
Operating Current

<3mA
Standby current

<0.15mA
Sleep time

10 minutes
Sleep current

<10 uA
Operating range

10 meters (unobstructed)
Lithium battery

180mAh

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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.

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