To order visit our website.. www.sastogadgets.com Material: Constructed from durable plastic. Compact Design: Dimensions of 33 * 27 * 8mm and an ultra-lightweight of 2.8g. Latest Connectivity: Utilizes Bluetooth version 5.4 for stable and efficient wireless connection. High Performance: Features a transmission speed of up to 4.0Mbps. Wide Compatibility: Designed for use with various Bluetooth devices, including desktop computers, laptops, keyboards, and mice.