Welcome to our shop! The BT181Pro Numeric Keypad is made of high-quality aluminum alloy and ABS material, ensuring a beautiful appearance and a comfortable hand feel. It not only functions as a numeric keypad but also serves as a HUB with two USB3.0 expansion interfaces. These interfaces support a transmission speed of 5Gbps per second and are compatible with various devices. With its 34-key design, this keypad is a great tool for number input processing. It supports a maximum transmission distance of 10 meters, providing convenience and flexibility in its usage. Additionally, the Type-c to Type-c public data line USB3.1Gen2 allows for easy and quick data reading in all directions. Product Features: - Made of high-quality aluminum alloy and ABS material - Supports multiple devices and systems, including Windows and Android - Functions as both a numeric keypad and a HUB with two USB3.0 expansion interfaces - 34-key design for efficient number input processing - Supports a maximum transmission distance of 10 meters - Type-c to Type-c public data line USB3.1Gen2 for omni-directional data accessibility Product Specifications: - Model: BT181Pro - Color: Black; Silver (Optional) - Material: Aluminum alloy + ABS - Support System: Windows, OS, Android - Number of Keys: 34 keys - HUB Interface: 2*USB3.0 - USB Transfer Speed: 5Gbps - Keyboard Life (Keystrokes): 5 million times - Button Response Speed: 5 milliseconds - Wireless/BT Transmission Distance: 10 meters - Working Voltage and Current: 3.7V/2mA - Built-in Lithium Battery: Yes - Battery Type: Polymer Lithium Battery 302323 (110mAh) - Charging Time: 2 hours - Usage Time: 50 hours - Size: 14.7 * 11.5 * 1.3cm / 5.8 * 4.5 * 0.5in Package Includes: - 1 * Keyboard - 1 * Type-c Cable - 1 * User Manual Note: - The actual product color may deviate from the photo due to light. - There may be a slight deviation in the measurement of the product. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.