Label printer NIIMBOT B21S Black — compact Bluetooth roll printer, 50 mm print width, 60 mm/s, Li-Ion 1200 mAh

NIIMBOT B21S is a compact Bluetooth label printer for roll labels with a maximum print width of 50 mm. It supports Windows, macOS and Android platforms and prints at up to 60 mm/s. The device has a black ABS housing and integrated 1200 mAh Li‑Ion battery, making it suitable for portable use in retail, logistics and home organisation. Keep away from fire sources.

Advantages

The compact design and Bluetooth connectivity enable mobile printing without a wired connection. Cross‑platform compatibility with Windows, macOS and Android allows easy integration into existing workflows. Fast thermal printing at up to 60 mm/s and support for 50 mm roll labels provide efficient label production. The built‑in 1200 mAh Li‑Ion battery ensures cordless operation for on‑the‑go tasks.

Suitable for

• Retail price and shelf labelling
• Logistics and shipping labels
• Warehouse organisation and inventory marking
• Home organisation and small office labelling

Key specifications

• Maximum printing width: 50 mm
• Printing technology: thermal (roll labels)
• Maximum print speed: 60 mm/s
• Connectivity: Bluetooth
• Operating system compatibility: Windows, macOS, Android
• Housing material and colour: black ABS
• Dimensions (H×W×D): 159 × 113 × 70 mm
• Battery capacity and type: 1200 mAh Li‑Ion

How to use

Load a compatible roll label into the printer following the manufacturer’s insertion guide, then power on the device. Pair the NIIMBOT B21S with a computer or mobile device via Bluetooth and select the printer in the application you use for label design or printing. Adjust label size and print settings to 50 mm width as required, then send print jobs. Recharge the Li‑Ion battery using the supplied charger or cable when battery level is low.

Recommendations

Use compatible thermal roll labels sized for 50 mm width and avoid exposing the device or battery to direct heat or open flames. For prolonged battery life, charge the battery before deep discharge and store the printer in a dry environment.