SUNMI Sound Box – 4G Payment Notification & QR Sound Device

SUNMI Sound Box – Never Miss a Payment Notification Again

SUNMI Sound Box is a smart cloud-connected payment notification device designed to eliminate missed orders and payment confusion in busy retail and mobile business environments. With its ultra-loud speaker, integrated QR code display, and real-time 4G connectivity, it ensures every successful payment is clearly announced and recorded.

Ultra-Loud and Clear Audio Alerts

Equipped with a powerful 3W speaker, the SUNMI Sound Box delivers loud and clear voice notifications for every successful transaction. This ensures payment confirmations are heard instantly, even in noisy environments such as markets, food stalls, cafés, and outdoor vendors.

Real-Time Cloud-Based Notifications

The SUNMI Sound Box uses 4G Cat.1 connectivity to deliver real-time payment notifications without relying on Wi-Fi. Every transaction is received instantly through cloud-based control, ensuring zero order omissions even in mobile or outdoor scenarios.

Integrated Payment QR Code Display

SUNMI Sound Box combines a payment QR code and sound notification in one compact device. Customers can scan the QR code directly from the display to complete payments, while merchants receive immediate audio confirmation once the transaction is successful.

Offline Order Playback and Storage

To ensure reliability in unstable network environments, the device can store up to 100 offline payment records. Merchants can replay and review past transactions at any time, reducing disputes and improving operational accuracy.

Extended Battery Life for All-Day Use

Powered by a 2100mAh lithium battery, the device can operate for up to a full week on a single charge under normal usage conditions. This makes it ideal for continuous daily operation without frequent charging.

Highly Customizable Voice and Display Content

The Sound Box supports customizable voice prompts, QR code designs, and text messages in local languages. Businesses can personalize announcements and display content to match their brand identity and regional requirements.

Plug-and-Play 4G Connectivity

With built-in 4G Cat.1 communication, the device works immediately after setup without requiring external network configuration. This makes it ideal for mobile businesses, outdoor vendors, and temporary setups.

Open API for Easy Integration

SUNMI Sound Box provides an open API that allows rapid integration with existing payment systems and platforms. Most integrations can be completed within just a few hours, reducing deployment time and technical effort.

Durable and Practical Design

The A-shaped structure ensures stability and makes the QR code easy to scan from different angles. A recessed charging port provides extra protection against liquids, while the speaker grill is dustproof and visually appealing.

Smart Management with Cloud Control

Through SUNMI’s cloud management platform, businesses can monitor device status, manage configurations, and control voice and notification behavior remotely.

A Simple Solution to Payment Confirmation Problems

SUNMI Sound Box is the perfect accessory for merchants who want clear payment confirmation, reduced disputes, and improved operational efficiency without adding complexity to their payment setup.

Ideal Use Cases

• Mobile businesses and street vendors
• Outdoor market stalls
• Retail stores and chains
• Cafés and small restaurants
• Temporary sales booths and pop-up stores
• Businesses using QR code payments
• Environments where audio payment confirmation is essential

Why Buy from BELFORTMARKET

• 100% genuine SUNMI products

• Competitive pricing

• Fast and secure delivery

• Professional customer support

• Trusted B2B & B2C marketplace

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