B21 Thermal Printer:
Features:

【BT Connection】: Support Wireless BT 4.0 connection, no need to download driver, compatible with Android and iOS smartphone. Please follow the user guide to download relative APP on your smartphone.
【RFID Intelligent Recognition】: Equipped with RFID automatic identification technology, no need to find the label type, it will match label template automatically, convenient to use.
【Free Label Printing】: Label printing is more free, support excel import function, time, 1D/2D bar code and table printing, scanning barcode, picture and voice recognition, etc. App has a lot of material bank, enrich your label creation.
【Rich Function】: The APP has large amount of templates, so you don't need to worry about design. Intelligent paper return, automatically receive the first label paper, do not waste any labels. It also supports continuous printing.
【Built-in Battery】: Built-in 1200mAh rechargeable lithium battery, 30-60mm/s print speed, continuous working time up to 4 hours. Working in low noise, it does not need ink cartridge when using, low operation cost. Support label width 20-50mm.
【Portable & Lightweight】: Made of high quality ABS + Paint Baking, beautiful and delicate, comfortable touch. Easy to take it anywhere. You can print anytime and anywhere when they connect successfully.
【Convenient to Life】: Widely used in supermarket, clothing and jewellery store, communication industry for printing label, price, weight, date, name, etc. It's your work assistant to make your work more efficient.

Specifications:
Model: B21
Color: Retro Red
Material: ABS+Paint Baking
Printing Method: Thermal Printing
BT Version: 4.0
Connection: BT/USB
Resolution: 203dpi
Label Width: 20-50mm
Roll Diameter: 25mm
Print Speed: 30-60mm/s
Battery: Rechargeable Lithium Battery, 1200mah
Paper Type: Receipt Paper/Label Paper
System Supported: Compatible with Android, iOS
Item Size: 130 * 95 * 60mm / 5.1 * 3.7 * 2.4in
Item Weight: 310g / 10.9oz
Package Size: 181 * 118 * 67mm / 7.1 * 4.6 * 2.6in
Package Weight: 520g / 18.3oz

Notes:
PC Software Download Link: https://www.jc-ai.com/about2/show.php?id=25
Please use official designated consumable paper or label tapes.
Due to manual measurement, 1-2cm deviation is normal.
The printing paper are not included.

Packing List:
1 * Printer
1 * Charging Cable
1 * User Manual(English)

Thermal Paper:
Features:

Made of high quality thermal paper, non-toxic, durable and tear resistant. With protective coating on surface, water and oil resistant.
Direct printing with thermal technology, no ink cartridge or consumable required, environmental protection and saving money.
Smooth and flat for clear printing. Self-adhesive, easy to tear off the surface of the object without leaving glue.
Adopt environmental friendly plastic roll core, enabling the paper compartment clean and free of paper scraps.
Various blank label paper with different sizes, which can be widely used in home, office, supermarket, clothing shop, catering, etc.

Specifications:
Material: Thermal Paper
Item Weight: 40.5g/ 1.4oz
Package Size: 52 * 52 * 56cm/ 2.0 * 2.0 * 2.2in
Package Weight: 50g/ 1.8oz

Packing List:
1 * Thermal Paper Roll