Yoidesu BT181Pro wireless numeric keypad USB 34 keys

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Yoidesu BT181Pro wireless numeric keypad USB 34 keys.

The product is made of high-quality aluminum alloy and ABS plastic, which is beautiful and pleasant to the touch.
In addition to being used as a numeric keypad, it can also be used as a hub. The two expansion interfaces are USB 3.0, which transfers 5 Gb per second and is compatible with various devices.
The 34-key design is a good helper for entering numbers.
In theory it supports a maximum transmission distance of 32.8 feet, making it more convenient and flexible to use.
The public data line USB3.1Gen2 Type-C to Type-C does not recognize direction, with omnidirectional access for fast data reading.

Specifications:

Model: BT181Pro.
Color: black, silver (optional).
Material: aluminum alloy and ABS.
Supported systems: for Windows, OS, Android.
Number of keys: 34 keys.
Hub interface: 2 USB 3.0.
USB transfer speed: 5 Gb s.
Keyboard lifespan (keystrokes): 5 million times.
Button response time: 5 milliseconds.
BT wireless transmission distance: 32.8 feet.
Operating voltage and current: 3.7 V 2 mA.
Built-in lithium battery: yes.
Battery type: 302323 lithium-polymer battery (110 mAh).
Charging time: 2 hours.
Usage time: 50 hours.
Size: 5.8 x 4.5 x 0.5 inches.
Color: gray.
Used product.
No user manual.

Package includes:

1 x Yoidesu BT181Pro wireless numeric keypad USB 34 keys.

Used product.
Checked and tested, fully working, practically like new.
No packaging.
No manual.