【Wide Compatibility】Designed for Microsoft Surface Pro 3, 4, 5, 6, 7, and 7+, this versatile Bluetooth-compatible keyboard enhances productivity across multiple Surface Pro models. 【Toggle Switch Design】Equipped with a convenient toggle switch, allowing for easy power management and quick connectivity. 【Slim and Portable】Lightweight and thin, this keyboard is ultra-thin and lightweight, perfect for on-the-go use. 【Long-Range Connectivity】Bluetooth-compatible technology enables a wireless connection of up to 10 meters, offering flexibility in your workspace setup. 【Quick Charging】Equipped with a Type-C charging port, the keyboard can be fully charged in just 2-3 hours, minimizing downtime. Specifications: Model: 1109-D Bluetooth-compatible Range: <10 meters Working Current: ≤9mA (full load) Standby Current: ≤0.3mA Sleep Current: ≤40μA Charging Current: 200mA±10mA Working Voltage: 3.2V - 4.2V Charging Time: 2-3 hours Charging Port: Type-C Battery Capacity: 500mAh