computer accessories, small household appliances: https://www.hurt.com.pl/40-x-baterie-alkaliczne-everactive-industrial-lr03-aaa-pakowane-w-zgrzewki-shrink-po-2szt-p16520.html

no installation required - compatible with Windows 8.1, 10, 11 
bluetooth version: 5.0
support for up to 7 devices at the same time
dimensions: 7 x 16 x 24 mm
range: up to 20m
Application: Keyboards, Mice, Headsets, Speakers, Printers, Modems, Phones, Xbox, Raspberry Pi and more

small compact housing,
Supports up to 4 devices at a time
high performance - 1xUSB 3.0 + 3xUSB 2.0,
delicate LED ring indicating the operation,
power supply can be connected (micro USB connector)

elegant and stylish - large backlit display,
intuitive operation - rotating ring,
3 alarm sound levels: FROM OFF to 90db,
built-in magnet,
adjustable stand 0° - 80°,
application: kitchen, science, training, office and many others,
Power Supply: 3x LR03/AAA (not included)

all cables in place and always ready for use,
easy to install and use,
strong and safe magnets,
flexible silicone tips

support for resolution up to 4K (3840x2160) @ 60Hz
LEDs to indicate the operation of the device

support for up to 4 devices at the same time
high performance - 4 x USB 3.0 - speeds up to 5Gbps
delicate LED ring informing about the operation
possibility of connecting a power supply ( USB-C connector)

Supports up to 4 devices at the same time
high performance - 4 x USB 3.0 - speeds up to 5Gbps
a delicate LED ring informing about the operation
possibility of connecting a power supply ( USB-C connector)

in-ear headphones with microphone
very light and comfortable
answer and end button on cable
sensitivity 105 ± 3dB
120cm cable, 3.5mm jack
perfect for phones, smartphones, mp3, mp4, iPod, iPad, iPhone
very good insulation from ambient sounds

in-ear headphones with microphone
very light and comfortable
answer and end button on cable
sensitivity 105 ± 3dB
120cm cable, 3.5mm jack
perfect for phones, smartphones, mp3, mp4, iPod, iPad, iPhone
very good insulation from ambient sounds

• Small, compact aluminum alloy housing
• support for USB-C PD power supply up to 100W port
• HDMI 4K 60Hz
  
• microSD and SD card reader
• 2 x USB 3.0 - speeds up to 5Gbps
• USB-C - speed up to 5Gbps

• Small, compact aluminum alloy housing
• support USB-C PD 100W
  
• HDMI 4K
• microSD and SD card reader
• USB 3.0 - speeds up to 5Gbps
• USB 2.0 - speeds up to 480Mbps
• RJ45 Gigabit ethernet
  

• support for resolutions up to 4K (3840x2160) @ 60Hz
• LEDs indicating the operation of the device
• HDMI cable 1m

• Bluetooth version: 5.3
• Range [m]: up to 20
• Compatible protocols: A2DP, HSP, AVRCP, HID
• dimensions [mm]: 7,5 x 16,2 x 28,6

• Small, compact aluminum alloy housing
• support for USB-C PD power supply up to 100W port
• HDMI 4K 60Hz
• VGA
• microSD and SD card reader
• 2 x USB 3.0 - speeds up to 5Gbps
• USB 2.0 - speeds up to 480Mbps
• Audio Jack 3.5mm
• RJ45 ethernet
  

small compact aluminum alloy housing
support USB-C PD power supply up to 100W
HDMI 4K 30Hz port
microSD and SD card reader
2 x USB 3.0 - speeds up to 5Gbps
USB-C - speeds up to 5Gbps

• housing with a powerful power bank
• wireless connectivity via Bluetooth 5.3
• range up to 10m
• Operating Time: Up to 7.5 hours / Up to 25 hours with charging case
• built-in sensitive microphone
• compatible with Android, iOS, Windows
  

• housing with a powerful power bank
• wireless connectivity via Bluetooth 5.3
• range up to 10m
• Operating Time: Up to 7.5 hours / Up to 25 hours with charging case
• built-in sensitive microphone
• compatible with Android, iOS, Windows
  

• Enclosure with powerful power bank
• wireless connectivity via Bluetooth V5.2
• range up to 10m
• Working Time: Up to 8 hours / up to 44 hours with charging case
• Built-in sensitive microphone
• compatible with Android, iOS, Windows
  

elegant and stylish - large backlit display,
intuitive operation - rotating ring,
3 alarm sound levels: OFF to 90db,
built-in magnet,
application: kitchen, science, training, office and many others,
power supply: 3x LR03 / AAA (not included)