Featured with wide application in many devices, such as speakers, printers, gamepads, mobile phones, keyboards, mice, etc., the wireless receiver is practical and multifunctional.It is the Bluetooth-compatible5.0 technology that allows for fast, stable and sensitive performance of the wireless receiver.Made of high quality ABS material, it is durable to use. After the Bluetooth-compatible adapter is successfully paired for the first time, the connection will be automatically recognized after the subsequent startup.The length of this product is 2.2cm, the width is 1.7cm and the height is 0.72cm.It is compatible with a variety of Bluetooth-compatible versions, no driver is required for systems above for win8, and can be downwardly adapted to Bluetooth-compatible version 4.1/4.2/5.0.Item Name: Bluetooth-compatible ReceiverMaterial: ABSColor: BlackBrand: COMFASTModel: CF-B01Features: Wireless, Widely Use, MiniSize Details: 2.2cm x 1.7cm x 0.72cm/0.87" x 0.67" x 0.28" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bluetooth-compatible Receiver