Socket Mobile DuraScan D840 | Attachable 1D/2D Bluetooth Scanner | Rubberized | Antimicrobial | Charging Dock
Socket Mobile DuraScan D840
Attachable 1D/2D Bluetooth Scanner — Rubberized | Antimicrobial | Universal Klip | Charging Dock — CX3557-2186
The DuraScan D840 is a compact, attachable 1D/2D Bluetooth barcode scanner from Socket Mobile's 800 Series, designed to clip directly onto a smartphone or tablet using the included Universal Klip — creating a seamless all-in-one scanning device. Its rubberized antimicrobial outer casing provides enhanced drop protection and inhibits bacterial growth, making it equally suited for retail, field service, and healthcare environments. This bundle (CX3557-2186) includes the scanner and a weighted Charging Dock.
Key Specifications
| Barcode Types | 1D and 2D — all popular symbologies; reads barcodes on paper labels and digital screens |
| Scan Range | Optimal 6–12 in (15–30 cm); up to ~19.5 in (49 cm) |
| Aiming | Bright rectangular illumination field with LED pointer — omni-directional scanning |
| Connectivity | Bluetooth (HID and SPP profiles) |
| Battery | Rechargeable Li-ion (internal, field-replaceable) — full shift operation (10–12 hrs) |
| Housing | Rubberized antimicrobial material — enhanced drop protection, non-slip grip, inhibits bacteria growth |
| Attachment | Universal Klip — attaches to any smartphone or protective case for one-handed operation |
| Form Factor | Credit-card size — pocket-friendly, palm-sized for comfortable extended use |
| Feedback | Multiple feedback tones, vibration, LED indicators (scan status, battery, Bluetooth) |
| OS Compatibility | Apple iOS (MFi certified), Android, Windows 11 |
| App Integrations | 700+ apps via Socket Mobile CaptureSDK (Shopify, Square, Lightspeed and more) |
| In the Box | D840 scanner, Weighted Charging Dock, Li-ion battery (pre-installed), Micro-USB cable, Universal Klip, wrist strap |
| Part Number | CX3557-2186 |
| EAN | 0758497115614 |
Ideal For
The D840 is designed for retail POS, inventory management, sales order entry, field service, and healthcare environments where workers need a compact scanner that attaches to their smartphone for seamless one-handed use. The antimicrobial housing makes it particularly well suited for food service, pharmacy and clinical settings. The Charging Dock provides a fixed "home" for the scanner at a counter or workstation.
Frequently Asked Questions
The Universal Klip clips onto the back of any smartphone or phone case — holding the D840 securely against the phone so both can be held and operated with one hand. The D840 communicates wirelessly via Bluetooth; no cable connection to the phone is needed.
The D840 (800 Series) is the ruggedized, attachable variant — rubberized antimicrobial housing and Universal Klip for phone attachment. The D740 (700 Series) is a standalone handheld with replaceable AA batteries. Choose the D840 for all-in-one phone+scanner; the D740 for standalone handheld scanning.
Yes. The D840 reads barcodes on both paper labels and digital screens — including QR codes on smartphones for mobile loyalty cards, digital coupons, tickets and receipts.
The D840's rubberized casing incorporates antimicrobial materials that inhibit the growth of bacteria on the scanner's surface — reducing contamination risk in high-touch environments such as food service, pharmacy, healthcare and shared-device retail.
Buyer's Guide
The D840's key differentiator is the Universal Klip — it transforms your smartphone into an all-in-one scanning device. For mobile workers who already carry a phone all day, this means one fewer device to manage. The rubberized antimicrobial housing adds meaningful durability and hygiene for demanding environments.
Choose the D840 if: you want an attachable scanner that clips to your phone for one-handed mobile scanning. For standalone handheld use, see the D740. For longer scan range (2–30 in), see the D860.