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● O2O Omnichannel Retail Hub · Smart POS × Brand eShop × Cloud Central Inventory

can in Store, Deduct Online in Real Time. Build a Zero-Latency eShop × POS Loop

Say goodbye to inventory discrepancies between standalone webstores (Shopify / WooCommerce) and retail registers. Asta Systems empowers Hong Kong retailers with Odoo's native unified commerce architecture: a single master database, shared VIP points and store credits, offline checkout resilience, Octopus tap-and-go, and customer-facing QR code checkouts.


0-Second Instant Cross-Store & Online Sync
•
100% Offline Checkout Resilience (Network Drops Safe)
•
Hong Kong Octopus / FPS / PayMe Unified Settlement
Odoo POS v19 · Wan Chai Flagship Store (Terminal #01)
● Cloud Master Inventory Connected
🔍 條碼槍即掃即入 / 品名搜尋...
In-Store SKUs: 350+
ANC Wireless Headphones
SKU: PRO-HEADPHONE
HK$ 1,280 Stock: 24
Smart Health Watch
SKU: SMART-WATCH
HK$ 680 Stock: 18
Specialty Coffee 250g
SKU: COFFEE-BEAN
HK$ 160 Stock: 52
Braided USB-C Cable
SKU: USB-C-CABLE
HK$ 120 Stock: 80
Active Member: Ms. Wong (VIP Gold · 10% OFF) Reward Points: 1,420 pts
Current Cart (Cart #049) 2 items
ANC Wireless Headphones * 1
In-store spot pickup
HK$ 1,280
Specialty Coffee 250g * 1
Add-on discount items
HK$ 160
Subtotal HK$ 1,440
VIP Member Discount (10% OFF) - HK$ 144
VIP Member Discount (10% OFF) HK$ 1,296
Octopus
NFC Tap
FPS
Dynamic QR
PayMe
CFD Scan
● [Store POS Scan] Barcode reader logged: Added ANC Wireless Headphones (Unit HK$ 1280). Stock immediately ded... Odoo Enterprise Sync API
Omnichannel Bento Grid

Say Goodbye to Disconnected Systems: 6 Pillars of Unified Retail

Say goodbye to fragile webhook bridges. Odoo powers retail POS, official webstores, and central warehouses from a single source of truth.

Core Architecture 01 · Single Source of Truth  ● 0-Second Sync without Webhook Delays

Central Master Stock across HK Stores & Warehouses · Eradicate Overselling

When independent stores (Shopify) and registers operate separately, a popular item sold at Causeway Bay often takes 15–30 minutes to reflect online, triggering costly refund disputes. Odoo eShop and POS share the exact same PostgreSQL database table: when an item is scanned in-store, online stock drops instantly with customizable safety thresholds.

Kwai Chung Central Hub
350 units
eCommerce Fulfillment
Wan Chai Flagship Store
48 units
POS Carryout & BOPIS
Tsim Sha Tsui Branch
26 units
Store Transfer Ready
Core Architecture 02
Mall Wi-Fi Outage?
POS Keeps Selling Uninterrupted

Pure cloud POS systems freeze when basement mall signals falter. Odoo POS leverages a local browser database (LocalStorage) architecture: barcode scanners read items and receipt printers print receipts offline, syncing journal entries back to the cloud automatically once reconnected.

✓ Zero-Downtime Guarantee: No checkout lines halted
✓  Auto-Reconciliation: Merges offline ledger entries seamlessly
Core Architecture 03
Hong Kong Unified Payments & Direct Hardware

Fully compatible with physical Octopus NFC readers, dynamic FPS (Faster Payment System) QR codes, PayMe for Business, and credit cards. Payments automatically reconcile into accounts upon authorization.

Octopus
FPS
PayMe
Visa/MC
Core Architecture 04 · BOPIS Fulfillment  Buy Online ➔ 30-Minute Store Pickup

Click & Collect (BOPIS) & Cross-Store Stock Allocation · Never Miss a Sale

Customer walks into the Mong Kok store and finds their size out of stock? Cashiers click "Check Other Stores" on the POS screen, spot 2 available units at Tsim Sha Tsui, complete the payment immediately, and let the customer choose home delivery or pickup tomorrow. The ERP generates internal logistics transfers instantly

1Customer Selects Pickup Store → 2Store POS Alerts Staff to Pack → 3Staff Scans Pickup QR Code → ✓In-Store Cross-Sell Upsell Rate +28%
O2O Customer Journey

Every Customer Touchpoint Closes into a Unified Data Loop

Click through the journey steps below to explore how the underlying Odoo system automates transactions across channels.

線上購物體驗 (Digital Touchpoint)

顧客於 Odoo eShop 瀏覽並選擇「灣仔店自提」

顧客在手機端將熱門耳機加入購物車,系統實時顯示「灣仔旗艦門市有現貨 8 件」。下單並使用轉數快(FPS)付款後,總倉與門市展示量即時扣減 1 件,杜絕線下客人買走同一件商品的風險。

✓ 系統動作:自動生成銷售訂單 (Sale Order: SO#092)
✓ 庫存動作:自動創建指定門市庫位揀貨單 (Picking List)
Odoo ERP 單據記錄
SO#092 · 顧客:Ms. Wong (Gold VIP)
品項:ANC 降噪藍牙耳機 × 1
付款方式:轉數快 (FPS) 實時核付 HK$ 1,152
自提地點:灣仔中匯旗艦店
後台供應鏈調度 (Intelligent Fulfillment)

門市 POS 機台秒級彈窗:備貨提醒與取件碼生成

灣仔店員的 POS 螢幕即時跳出提醒。店員確認商品外觀無損並裝袋後,按下「完成備貨」,系統透過 WhatsApp 自動向顧客發送取貨通知與專屬核銷條碼。

✓ 庫存動作:庫位由「貨架」轉移至「自提暫存區 (Pick-up Bay)」
✓ 通訊動作:WhatsApp API 自動觸發提貨通知 QR Code
門市備貨任務
內部調撥單:WH/INT/00481
來源庫位:WH/灣仔門市/陳列架
目的庫位:WH/灣仔門市/自提儲存櫃#03
取貨二維碼:PICK-8891-HK (已發送至顧客手機)
實體門市接觸 (Store In-person Experience)

顧客進店 10 秒掃碼核銷取件,店員導購加購配件

顧客走進灣仔門市出示手機條碼,店員條碼槍「嗶」一下完成核銷。店員順勢推薦「快充傳輸線加價購」,顧客拍八達通直接在同一張帳單結帳,全流程極速流暢。

✓ POS 動作:自提單一鍵核銷出庫 (Stock Move Done)
✓ 連帶加購:直接於當前 POS Session 累加現金/八達通消費
門市 POS 出單紀錄
POS 交易序號:POS/2026/0891
自提核銷:ANC 降噪耳機 (已領取)
門市加購:快充線 (八達通付款 HK$ 108)
收銀員:Patrick (灣仔店長)
Intelligent Fulfillment (Store Dispatch)

POS Screen Pop-up Alert: Pack Order & Generate Pickup Code

The Wan Chai cashier's POS terminal alerts staff. Staff packs the verified item, taps "Order Packed", and the system triggers an automated WhatsApp message to the customer with an authorized QR pickup code.

✓ Inventory Action: Location transfer from Shelf to Pick-up Bay
✓ Customer Message: WhatsApp API sends pickup QR Code and receipt summary
Accounting Journal Voucher
MISC/2026/10/042 (Posted)
Dr: Octopus Settlement Account HK$ 108.00
Cr: Retail Merchandise Sales Revenue HK$ 108.00
Member Wallet Change: +126 pts (Redeemable across all online stores)
Retail Hardware Blueprint

No Expensive Black Boxes: Seamless Standard Hardware Compatibility

Zero hardware lock-in! Odoo works effortlessly with existing iPads, Windows POS terminals, Android tablets, and standard ESC/POS peripherals.

核心外設 01

iPad / Windows / Android 觸控主收銀機

店員可使用店內現有之 iPad 或 Windows 觸控主機,只要開啟 Safari 或 Chrome 瀏覽器即可秒速開單。介面為手勢操作深度優化,支援快捷分類、條碼商品點選、店員權限 PIN 碼切換。


• 相容設備: Apple iPad (Air/Pro/Mini)、Windows 11 POS 主機、商米 Sunmi 設備
• 聯網方式: Wi-Fi 6、5G 行動網卡、乙太網網線
• 培訓門檻: 直觀如手機 App,新進工讀生 15 分鐘輕鬆上手
核心外設 02

客顯螢幕 (CFD) 與八達通實體感應機

面向顧客的副螢幕可即時播放促銷廣告輪播與當前明細。結帳時自動顯示動態轉數快 (FPS) 二維碼,並與八達通 Reader 毫秒級通訊,刷卡後客顯同步響起確認音效。


• 八達通協定: 對接香港官方讀卡機 (Smart Octopus / 實體卡)
• 聚合 QR Code: FPS 轉數快、PayMe for Business、AlipayHK、WeChat Pay HK
• 顧客信心: 明細透明呈現,有效防止結算口角與金額爭議
Core Hardware 03

High-Speed Thermal Receipt Printer & 2D Barcode Gun

Supports industry-standard ESC/POS thermal printers from EPSON, Star Micronics, and Bixolon. Receipt printing takes under 0.3s and automatically triggers the cash drawer kick; 2D barcode gun reliably reads mobile screen coupons.


• Printer Interface: USB, Bluetooth, TCP/IP Ethernet LAN
• Barcode Scanning: 1D retail UPC/EAN barcodes, QR Code member badges, damaged barcode recovery
• Auto-Trigger: Cash drawer auto-opens on payment; paper-end buzzer warning
Measurable ROI

Quantifiable Operational ROI: Proving Omnichannel Value with Numbers

Three key quantifiable metrics achieved in daily operations by Hong Kong retailers after implementing the integrated Odoo eShop + POS hub.

75% ↓
Daily Register Closing & Reconciliation Time

POS register closing automatically reconciles with Octopus, FPS, and online Stripe payments, auto-posting accounting entries and eliminating manual receipt counting.

99.8% ↓
Cross-Channel Overselling Refund & Complaint Rate

A single centralized product inventory master table: in-store checkout scans deduct stock in seconds, immediately reducing online availability to completely eliminate duplicate order complaints.

28% ↑
In-Store Cross-Selling Rate for BOPIS Customers

Directing online shoppers to pick up in-store, where staff use POS for rapid verification and recommend in-stock accessories, driving in-store cross-selling revenue.

FAQ

Frequently Asked Questions about eShop + POS

Direct answers on hardware compatibility, Octopus integration, and retail staff training.

Yes, absolutely! Asta Systems provides proven middleware integration for official Hong Kong Octopus reader terminals. For standard USB/Bluetooth barcode guns and ESC/POS thermal receipt printers (such as EPSON or Star Micronics), Odoo natively connects without requiring you to scrap existing hardware.

Typically just 15 to 30 minutes. Odoo POS features a visual, touch-optimized user interface with large icons, configurable shortcuts, and instant barcode gun entry. We supply Cantonese and English training videos and cheat sheets, allowing new hires to run cash registers independently on day one.

Completely. Odoo features an enterprise Pricelist rule engine. You can enforce uniform pricing across all channels, run a "Night Flash Sale 12% OFF" exclusively on the webstore, or set up a "Buy 2 Save $50" promotion exclusively at the Causeway Bay retail branch—while backend stock remains strictly unified.

Yes, 100%. Odoo POS is designed with full offline resiliency. Cashiers can scan barcodes, calculate totals, and print physical paper receipts without an internet connection. Once the device reconnects to Wi-Fi or a 5G hotspot, all orders and inventory deductions sync automatically in the background.
Book an O2O Live Demo

Schedule a Real Hands-On eShop + POS Demonstration for Your Stores

Pick up a physical barcode gun, simulate an Octopus NFC tap, and watch webstore inventory update in real time. Certified Asta Systems solution architects will map out the ideal omnichannel hardware and software blueprint for your industry (apparel, lifestyle, retail F&B, electronics).

Asta Systems Limited (Headquarters)
Phone:(852) 2528 2568
WhatsApp:(852) 2528 2566
Email:info@astasys.com
Office:24/F, Wan Chai Central Building, 
89 Lockhart Road, Wan Chai, Hong Kong
Service Hours: Monday – Friday 09:00 - 18:00 (HKT)