HD21 Lite

Payment Soundbox

Add clear payment confirmation without changing the way merchants collect. Compact and easy to place, HD21 works alongside existing QR codes and payment setups—keeping payment alerts close to the people who need to hear them.

Product In Detail

Payment Confirmation, Where You Need It

Place the payment code where customers scan and the speaker where staff can hear. HD21 adds clear payment notification without requiring merchants to replace their existing QR setup.

Independent Placement

Easy Add-On

Payment Notification

Small Body. Clear Voice

A compact 3W speaker delivers voice alerts up to 105dB, helping merchants hear payment notifications clearly even in busy everyday environments.

3W Speaker

Up to 105dB

TTS Supported

Compact by Design

With a compact 72 × 72 × 46.5 mm body, HD21 fits naturally into counters, service points and space-limited merchant environments. An optional QR plate provides additional deployment flexibility.

Compact Size

Flexible Placement

Optional QR Plate

Usage Scenarios

Existing QR Merchants

Add voice confirmation to merchants already using QR cards, stickers or existing payment displays.

Split Counter & Remote Confirmation

Keep the QR code at the customer-facing payment point while placing the speaker closer to staff.

Small Shops & Service Points

Compact deployment for counters where space is limited and simple payment notification is the priority.

Split Counter & Remote Confirmation

Keep the QR code at the customer-facing payment point while placing the speaker closer to staff.

Solution Advantage

More than a device. A flexible foundation for merchant acceptance—from deployment to day-to-day operations.

Designed for Scalable Merchant Acceptance

BHZ Payment Soundbox Solution combines a flexible device portfolio, connectivity options and centralized lifecycle management to support merchant payment deployment across different business scenarios.

Fit the Right Device to the Right Merchant

From payment notification and static QR to dynamic QR, NFC-enabled interaction and receipt printing, the portfolio allows partners to match device capabilities with different merchant needs and operating environments.

Simplify Merchant Deployment

Flexible cellular and Wi-Fi configurations help support deployment across distributed merchant locations, while different form factors make it easier to adapt to counters, mobile merchants and service environments.

Manage Devices Beyond Deployment

Centralized device management supports onboarding, grouping, status monitoring, OTA updates, voice package management and merchant-device binding, helping operators manage distributed device fleets more efficiently.

Adapt to Local Market Needs

Depending on the model and project requirements, devices can support customized branding, languages, voice content, connectivity and payment interaction options—helping partners adapt deployments to local merchant and market needs.

Optional

Standard Speaker

Speaker + QR Plate

Standard Speaker

Speaker + QR Plate

Technical Features

32 Bit RTOS

CPU

614 MHz ARM Cortex-R5

Memory

8 MB RAM + 8MB Flash

Connectivity

Mobile Network: 4G Cat.1 (LTE) | Wireless: WiFi（2.4G）

Battery

1200mAh / 2000mAh Optional

Audio/Speaker

3W, up to 105dB TTS Supported

Physical

Dimensions: 72mm(L) × 72mm(W) × 46.5mm(H)

Others

QR Plate: Optional | Power Input: 5V / 1A

Let’s build the future with innovation

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HD21 Lite

Payment Soundbox

Product In Detail

Payment Confirmation, Where You Need It

Small Body. Clear Voice

Compact by Design

Usage Scenarios

Existing QR Merchants

Split Counter & Remote Confirmation

Small Shops & Service Points

Split Counter & Remote Confirmation

Solution Advantage

Designed for Scalable Merchant Acceptance

Fit the Right Device to the Right Merchant

Simplify Merchant Deployment

Manage Devices Beyond Deployment

Adapt to Local Market Needs

Optional

Standard Speaker

Speaker + QR Plate

Standard Speaker

Speaker + QR Plate

Technical Features

Related Products

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Payment Card

Virtual Payment Card

BHZ800 Android Smart POS

HDP5 Dynamic QR Payment Soundbox

HD56 QR Payment Soundbox

Let’s build the future with innovation

Beijing Huada Zhibao Electronic System Co., LTD.

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Solutions

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