Feature: 1. This wireless keyboard is made from ABS and PU leather material, which is sturdy, stable and durable. 2. Enhanced magnetic stability along the fold, and you can adjust it to the proper angle and work on your lap, on the plane, or at your desk. 3. Only a USB C cable is needed to efficiently and easily charge your wireless keyboard, and sleep mode is supported. 4. This wireless keyboard adopts slim, lightweight and portable design, a must have accessory for travel and excursion. 5. With good ventilation and heat dissipation, large battery capacity, providing more convenience. Specification: Item Type: Wireless Keyboard Material: ABS and PU Leather Effective Working Distance: Approx. 10m / 10.93yd Operating Voltage: 3.0-4.2V Operating Current: <8mA Charging Current: >200mA Inbuilt Polymer Lithium Battery: 350mAh Interface: Type C Button Life: 5 Million Clicks Operating Temperature: -10 to 55 ℃. Package List: 1 x Wireless Keyboard1 x User Manual1 x USB Cable Note: Shipped with built in battery