B12 Compact WiFi Adapter | High-Speed Vehicle Diagnostic Scanning
The B12 is an ultra-compact, wireless OBD2 Wi-Fi adapter designed for users who need a powerful yet unobtrusive tool for vehicle diagnostic scanning. Measuring just 49mm in length, this lightweight adapter fits securely into your vehicle's OBD II port, providing a high-speed data link to your smartphone, tablet, or PC without obstructing your footwell or dashboard operation.
Whether you are performing a quick fault-code check or conducting long-term data analysis for fleet management, the B12 offers a stable, reliable connection via high-speed WiFi.
Core Performance Features
Universal Protocol Coverage: The B12 supports all 9 standard OBD II communication protocols, including SAE J1850, ISO9141-2, and modern CAN bus systems. It is fully compatible with most 12V gasoline and diesel vehicles.
High-Speed WiFi Link: Experience lower latency and faster data refresh rates than traditional Bluetooth. This makes the B12 ideal for real-time vehicle diagnostic scanning, allowing you to view smooth engine graphs and live sensor data.
Ultra-Compact & Portable: Weighing only 31g, the B12 is designed for "plug-and-forget" convenience. Its small form factor makes it the perfect travel companion for road trips or mobile workshops.
Professional Reliability: Engineered for stability, the B12 is a dependable choice for software testing, system integration, and bulk deployment in technical environments.
Aesthetic Options: Available in Blue, Black, and White to match your personal preference or professional branding.
Essential Diagnostic Capabilities
Fault Code Management: Instantly read and clear Diagnostic Trouble Codes (DTCs) to identify engine issues and reset the "Check Engine" light.
Real-Time Data Streaming: Monitor critical vehicle health metrics, including engine RPM, fuel trim, intake manifold pressure, and coolant temperature.
Freeze Frame Data: Access a snapshot of the vehicle's operating conditions at the exact moment a fault occurred for more accurate troubleshooting.
Emissions Readiness: Check your I/M readiness status to ensure your vehicle is prepared for annual smog and emissions inspections.
Technical Specifications
Feature | Detail |
Model | B12 |
Connection Type | High-Stability WiFi |
Main Function | Professional Vehicle Diagnostic Scanning |
Protocol Support | All 9 Standard OBD II Protocols (SAE, ISO, CAN) |
Product Dimensions | 49 × 26 × 30 mm |
Net Weight | 31 g |
Color Options | Blue, Black, White |
Why Choose the B12?
The B12 balances power with a minimal footprint. By utilizing a high-speed WiFi channel, it ensures that your diagnostic data remains consistent and lag-free, even during complex system scans. Its wide compatibility and rugged, lightweight build make it a top-tier choice for DIYers and professional fleet operators alike.
Streamline your vehicle maintenance with the B12—the compact, high-speed solution for modern vehicle diagnostic scanning.
- Shipping Policy
- Return Policy
1. Shipping Locations
We provide international shipping to customers worldwide, covering the following regions:
North America: United States, Canada.
Europe: United Kingdom, European Union countries.
Oceania: Australia, New Zealand.
Asia: Southeast Asia, Middle East.
2. Shipping Fees
Free Shipping: We offer Free Standard Shipping on all orders over $69.
Standard Shipping: For orders under $69, a flat shipping fee of $9.99 will be applied at checkout.
3. Order Processing & Delivery Time
Order Cut-off Time: 5:00 PM (GMT+08:00) China Standard Time.
Handling Time: 1–3 business days (Monday to Friday).
Transit Time: 5–12 business days (Monday to Friday).
Total Delivery Time: Estimated 6–15 business days.
4. Tracking Information
Once your order is dispatched, a confirmation email with a tracking number and a tracking link will be sent to your registered email address. You can monitor your shipment's progress in real-time.
5. Customs, Duties & Taxes
Prices displayed on our website do not include import duties or local taxes. The recipient is responsible for all customs clearance procedures and any associated fees required by local regulations.
6. Lost or Damaged Shipments
If your package is lost in transit or arrives damaged, please contact us at service@chepq.com within 7 days of the scheduled delivery date. We will coordinate with the carrier to provide a replacement or a refund.








