Reliable Wireless Connectivity: Our numeric keypad connects seamlessly to your devices via a 2.4G receiver, ensuring a reliable connection within a working range of up to 32.8 feet. Say goodbye to tangled wires and enjoy hassle-free data input. Efficient Data Input: This keypad has 35 keys, including number keys, function keys, and direction keys, which allow for quick and precise data entry. Whether crunching numbers or navigating documents, our keypad streamlines your workflow. Eco-friendly Rechargeable Battery: The built-in 250mAh battery can be conveniently recharged via a USB-C port. No more disposable batteries! By choosing our rechargeable solution, you contribute to environmental sustainability.