Downtime Risk
Devices crack when dropped. Oil and metal dust cause constant failures
K389 Printers
K389 Rugged 3-inch Mobile Printer
Pain Points of Manufacturing
Traceability Gaps
Low-res barcodes lead to scanning errors, hard to trace information
Battery Anxiety
Shifts are 12 hours, but printers die mid-way, influencing daily operation.
K389 3-inch Mobile Printer
Industrial-Strength, Purpose-Built Design
The K389 is engineered for outstanding durability. It withstands 2-meter concrete drops and various mobile use across full operating temperatures, delivering reliable performance for field and warehouse scenarios.
Double the Runtime without Fail
3200mAh battery with smart power management delivers twice the runtime of normal printers.
Compact Design for On-the-Spot Printing
Weighing only 390g, the K389 supports on-site label printing to accelerate warehouse workflows.
High-Speed Mobile Printing with Precision
Built for high-demand mobile printing, K389 delivers reliable output at up to 100 mm/s to efficiently print labels and receipts.
Seamless Connectivity for a Mobile Workforce
Industrial-grade wireless supports dual-band Wi-Fi and WPA/WPA2 encryption, ensuring stable, secure connectivity.
Industrial-Grade Toughness
Survive 2m drop from any angle and resist oil and debris,
ensuring zero downtime on the plant floor.
Double Shift Power
A 3200mAh battery with smart management delivers up to 2x the runtime, powering through the longest workdays without fail.
Precision Output
High-resolution printing ensures every serial number and shipping details are clear for strict product traceability.
Pain Points of Logistics & Warehouse
Wasted Motion
Workers walk back to desktop printers, slowing down pick rates.
Dead Zones
Wi-Fi connection drops when walk between workshops
Seamless Connectivity
Reliable dual-band Wi-Fi and bluetooth ensure stable connectivity for uninterrupted mobile printing anywhere in the warehouse.
Instant Mobility
Weighing just 390g, easy to carry on-site to print labels right at the point of work, cutting down redundant trips and streamlining workflows.
Pain Points of Retail
Checkout Congestion
Long lines at fixed POS counters give bad shopping experience
Slow Repricing
Repricing is slow and leads to mismatches between shelf tags and system prices
Flexible Repricing
Instantly print and update shelf-edge labels and promotions on the spot, ensuring real-time price accuracy and consistency.
Line-Busting Service
Lightweighted and portable for mobile checkout anywhere on the floor, turning waiting time into a premium customer experience.
Specifications
| Performance | |
|---|---|
| Memory | 2/16 MB(SPI RAM), 128MB ROM(NAND FLASH) |
| Power | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh |
| Stand-by Time | 200- 260 hours(only BT communication) |
| Battery | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh |
| CPU | Single-core 32-bit LX7 microprocessor, up to 240 MHz |
| Physical Characteristics | |
| Dimensions | 115 mm L x 115 mm W x 58 mm D |
| Weight | 390g(Including battery, excluding paper roll) |
| Display | 0.91 inches, 128 × 32, OLED (passive matrix), 150 nits |
| Interfaces | USB-C 2.0*1 |
| Button | Power button; Setting buttons; Paper feed button |
| Audio | High-quality single buzzer |
| Printing | |
| Print Speed | Maimum Printing Speed: 100mm/s (12.5% print density) |
| Media Width | Minimum Print Width: 72mm |
| Print Resolution | 203 dpi (8 dots/mm) |
| Maximum Media Roll Size | Maimum Printing Length: Over 130m(12.5% print density) |
| Sensor | Black mark & gap media sensor；Printhead temperature sensor；Cover open sensor (hall sensor) |
| Communication | |
| Bluetooth | Configurable class 2, Bluetooth V2.1+4.0(BLE); Classic Bluetooth (BR/EDR) and Bluetooth LE |
| Wi-Fi | IEEE 802.11 a/b/g/n/ac; Wi-Fi 5; Dual Band(2.4GHz/5GHz); Support 802.11r roaming |
No differences in the listed specifications.
Products Comparison
| CURRENT K389 | COMPARE K329 | |
|---|---|---|
| Performance | ||
| Memory | 2/16 MB(SPI RAM), 128MB ROM(NAND FLASH) | RAM:8MB FLASH:16MB |
| Power | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh | Li-Ion 7.4V 2500mAh |
| Stand-by Time | 200- 260 hours(only BT communication) | No Less Than 15 Days |
| Battery | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh | 2500mAh/7.4V Rechargeable Lithium Battery |
| CPU | Single-core 32-bit LX7 microprocessor, up to 240 MHz | — |
| OS | — | Android/IOS Printing And Editing Software |
| Physical Characteristics | ||
| Dimensions | 115 mm L x 115 mm W x 58 mm D | 118mm*105mm*62mm |
| Weight | 390g(Including battery, excluding paper roll) | 450g |
| Display | 0.91 inches, 128 × 32, OLED (passive matrix), 150 nits | — |
| Interfaces | USB-C 2.0*1 | Type-C, Charger (Optional) |
| Button | Power button; Setting buttons; Paper feed button | — |
| Audio | High-quality single buzzer | — |
| Printing | ||
| Print Speed | Maimum Printing Speed: 100mm/s (12.5% print density) | Up to 120mm/s |
| Media Width | Minimum Print Width: 72mm | 42~80mm |
| Print Resolution | 203 dpi (8 dots/mm) | 203dpi/8dots/mm |
| Maximum Media Roll Size | Maimum Printing Length: Over 130m(12.5% print density) | 50mm |
| Sensor | Black mark & gap media sensor；Printhead temperature sensor；Cover open sensor (hall sensor) | — |
| Printer Mode | — | Direct Thermal |
| Communication | ||
| Bluetooth | Configurable class 2, Bluetooth V2.1+4.0(BLE); Classic Bluetooth (BR/EDR) and Bluetooth LE | Bluetooth 4.2 (Standard Configuration) Bluetooth 5.0 (Optional) |
| Wi-Fi | IEEE 802.11 a/b/g/n/ac; Wi-Fi 5; Dual Band(2.4GHz/5GHz); Support 802.11r roaming | WIFI 2.4G/5G (Optional) |
| Wired | — | USB Type-C |
| Environment | ||
| Operating Temperature | — | 0~50℃(32~122℉) |
| Storage Temperature | — | -20~60℃(-4~140℉) |
| Operating Humidity | — | 20%~85% non-condensing |
| Storage Temperature (without battery) | — | -20°C~6o°C |
No differences in the listed specifications.
| CURRENT K389 | COMPARE K388 Pro | |
|---|---|---|
| Performance | ||
| Memory | 2/16 MB(SPI RAM), 128MB ROM(NAND FLASH) | RAM: 4GB, ROM: 64GB |
| Power | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh | — |
| Stand-by Time | 200- 260 hours(only BT communication) | — |
| Battery | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh | Battery: 32.4 Wh (3000 mAh) / 10.8 V rechargeable lithium-ion battery Charging Method: Supports direct charging or battery-only charging Print Capacity per Charge: Up to 200 meters (at 12.5% black coverage) Power Adapter: 5 V / 2 A Support Hot-swap |
| CPU | Single-core 32-bit LX7 microprocessor, up to 240 MHz | Octa-core 2.4 GHz |
| OS | — | Android 14 |
| Physical Characteristics | ||
| Dimensions | 115 mm L x 115 mm W x 58 mm D | 185 mm×85 mm×137 mm |
| Weight | 390g(Including battery, excluding paper roll) | 800 g |
| Display | 0.91 inches, 128 × 32, OLED (passive matrix), 150 nits | 5.5 inches display 720*1440 |
| Interfaces | USB-C 2.0*1 | USB Type-C*1, support OTG, support USB 3.0; |
| Button | Power button; Setting buttons; Paper feed button | — |
| Audio | High-quality single buzzer | — |
| Scanning | — | Professional scan engine; Support international standard 1D/2D barcode; Support barcode displayed on screen and colored barcode. |
| Camera | — | Front 5MP, Rear 13MP with flash |
| Printing | ||
| Print Speed | Maimum Printing Speed: 100mm/s (12.5% print density) | — |
| Media Width | Minimum Print Width: 72mm | — |
| Print Resolution | 203 dpi (8 dots/mm) | — |
| Maximum Media Roll Size | Maimum Printing Length: Over 130m(12.5% print density) | — |
| Sensor | Black mark & gap media sensor；Printhead temperature sensor；Cover open sensor (hall sensor) | — |
| Printing | — | Printing Method: Thermal Direct Print Width: ≤ 58 mm Paper Thickness: 50–180 μm Maximum Printing Speed: Up to 120 mm/s Supply Roll Diameter: ≤ 60 mm Supply Roll Thickness: 50–180 μm |
| Communication | ||
| Bluetooth | Configurable class 2, Bluetooth V2.1+4.0(BLE); Classic Bluetooth (BR/EDR) and Bluetooth LE | Class 2, Bluetooth v5.3 and secondary BLE |
| Wi-Fi | IEEE 802.11 a/b/g/n/ac; Wi-Fi 5; Dual Band(2.4GHz/5GHz); Support 802.11r roaming | 2.4G/5G/6G, IEEE 802.11a/b/g/n/ac/d/h/i/k/r/v/w/mc/ax Support Wi-Fi 6E, support 2x2 MU-MIMO |
| RFID(UHF) | — | UHF RFID Tag Encoding (Optional) |
| Environment | ||
| Operating Temperature | — | -20℃ to +60℃ |
| Storage Temperature | — | -40℃ to +70℃ |
| Operating Humidity | — | 5%RH to 95%RH (No condensation) |
| Environmental | — | Drop specification: Multiple drops from 1.5 m (5 ft.) to concrete at room temperature |
| ESD | — | ±15 kV (Air discharge), ±8 kV (Contact discharge) |
No differences in the listed specifications.
| CURRENT K389 | COMPARE K419 | |
|---|---|---|
| Performance | ||
| Memory | 2/16 MB(SPI RAM), 128MB ROM(NAND FLASH) | RAM: 8 MB Flash: 128 MB |
| Power | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh | — |
| Stand-by Time | 200- 260 hours(only BT communication) | 100-120 h |
| Battery | User replaceable battery standard capacity 7.2V 3200mAh / 23.04Wh | 17.76 Wh (1600 mAh) 11.1 V Rechargeable lithum polymer battery |
| CPU | Single-core 32-bit LX7 microprocessor, up to 240 MHz | — |
| Physical Characteristics | ||
| Dimensions | 115 mm L x 115 mm W x 58 mm D | 168 mm*113 mm*68 mm |
| Weight | 390g(Including battery, excluding paper roll) | 507 g (with battery) |
| Display | 0.91 inches, 128 × 32, OLED (passive matrix), 150 nits | — |
| Interfaces | USB-C 2.0*1 | — |
| Button | Power button; Setting buttons; Paper feed button | — |
| Audio | High-quality single buzzer | — |
| Printing | ||
| Print Speed | Maimum Printing Speed: 100mm/s (12.5% print density) | — |
| Media Width | Minimum Print Width: 72mm | 46 mm-110 mm |
| Print Resolution | 203 dpi (8 dots/mm) | — |
| Maximum Media Roll Size | Maimum Printing Length: Over 130m(12.5% print density) | ≤56 mm |
| Sensor | Black mark & gap media sensor；Printhead temperature sensor；Cover open sensor (hall sensor) | — |
| Printing | — | Printer Method: Direct Thermal Resolution: 203 dpi (8 dots/mm) Print Speed: 90 mm/s |
| Communication | ||
| Bluetooth | Configurable class 2, Bluetooth V2.1+4.0(BLE); Classic Bluetooth (BR/EDR) and Bluetooth LE | — |
| Wi-Fi | IEEE 802.11 a/b/g/n/ac; Wi-Fi 5; Dual Band(2.4GHz/5GHz); Support 802.11r roaming | — |
| Wired | — | Type-C |
| Environment | ||
| Environmental | — | -10~40℃ |
| Storage Temperature (without battery) | — | Operating Temperature: 0-50 °C Operating Humidity: 20%-85% RH, non-condensing Storage Temperature: -20-70 °C Storage Humidity: 5%～95% RH, non-condensing |
No differences in the listed specifications.