Welcome to the store! 1 Widely Compatible: This wireless numeric keypad is suitable for OS X laptops and for Win systems, ideal for desktops, laptops, and tablets. 2 BT5.0 Connection: This numeric keypad uses BT5.0 connection, which can automatically identify the system and connect. 3 Scissor Switch Keys: This numeric keypad uses 35 scissor switch keys that can effectively reduce incorrect input, providing a more comfortable and faster typing experience. 4 Aluminum Alloy: This wireless keypad uses an aluminum alloy shell and ultra-slim design, about 1,000,000 times key lifespan. 5 Type C Charging: This wireless numeric keypad has a built-in 300mAh rechargeable battery, comes with Type C cable for charging. Item Type: Wireless Numeric Keypad Material: Aluminum Alloy, ABS Charging Interface: Type C BT Version: BT5.0 Service Distance: 8 to 10 meters / 26.2 to 32.8 feet Number of Keys: 35 Key Lifespan: 1,000,000 times Working Time: 90 hours Battery Type: 300mAh Lithium-ion Battery (built-in battery included) Product Size: Approx. 146.2 x 113.2 x 11.33 mm / 5.8 x 4.5 x 0.4 inches (manual measurement, slight error margin may exist) 1 x Wireless Numeric Keypad 1 x Type C Cable 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!