The MJ-R30 can read both 1D and 2D barcodes, including common 1D linear codes and 2D codes such as QR codes.
The scanner supports wireless operation via a USB receiver and also provides USB and RS232/Keyboard (KB) interfaces. For most systems plug-and-play is available using the USB receiver (HID/keyboard mode) or by configuring it to serial/RS232 mode as required.
Yes. The MJ-R30 is designed as a mini ring-style wearable scanner that mounts on your finger for comfortable, hands-free scanning during mobile workflows.
Yes — the product description indicates a light feature to assist scanning in lower-light environments (e.g., an illumination LED/aiming light).
Because the MJ-R30 supports USB HID (keyboard) and serial/RS232 modes it is compatible with most operating systems that accept keyboard input or serial devices (Windows, many Linux distributions, Android with OTG adapters, and many POS systems). For platform-specific integration, use the SDK or contact the vendor for supported platforms.
Yes. An SDK is available to help integrate the scanner into custom applications. Contact the vendor or check the product download page for SDK packages and platform details.
The scanner's optical resolution is listed as 648 x 488 (CMOS sensor).
Typical pairing steps: insert the USB receiver into your host device, power on the scanner, and follow the pairing instructions in the user manual (often pressing a pairing/button combination). If you need exact steps, consult the included manual or contact support.
The product listing indicates service/repair support, free spare parts, and call center/online technical support for 3 years. Contact the vendor for warranty terms and service procedures.
Yes. The MJ-R30 supports RS232/KB interface modes, making it suitable for integration with legacy serial systems and many handheld terminals that accept serial input.
Packaged unit details aren't fully listed. Typical packages include the scanner, a USB receiver/dongle, charging cable, and a user manual. Confirm the exact contents with the seller before purchase.
The product description does not list an IP or shock rating. For information on ruggedness, drop resistance, or ingress protection, check the technical manual or ask the vendor for environmental specifications.
The listing does not specify battery capacity or charge method. Most wearable wireless scanners use an internal rechargeable battery charged via USB. For charge times and typical battery life, refer to the user manual or contact support.
Yes. The MJ-R30 supports USB HID/keyboard emulation and RS232/KB modes. Use configuration options (via the SDK or programming barcodes in the manual) to switch modes.
Typical uses include inventory management in warehouses, point-of-sale scanning in retail, event ticket scanning, asset tracking in offices/factories, and library checkout/returns — any workflow that benefits from hands-free, mobile scanning.
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