With the adoption of Bluetooth-compatible5.0 technology, the wireless adapter has fast, stable and non-delayed signal transmission. The wireless adapter is multifunctional and practical because it supports Bluetooth-compatible transmission and reception. Made of ABS material, the wireless adapter is eco-friendly and durable to use. It is plug and play, which is convenient to use. The length of the wireless adapter is 2.9cm, width is 1.54cm and thickness is 0.62cm. The wireless adapter is suitable for being used in mouse, keyboard, speaker, monitor and so on. Item Name: Bluetooth-compatible Transmitter Material: ABS Bluetooth-compatible Version: 5.0 Operating Range: 10-20m Interface Type: USB Transmission Speed: 3Mbps Working Frequency: 2400MHz Features: Plug Play, Mini, Quick Transmission Size Details: 2.9cm x 1.54cm x 0.62cm/1.14" x 0.61" x 0.24" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Bluetooth-compatible Transmitter