The wireless receiver features wide application in many devices, which is practical and multifunctional.With the adoption of Bluetooth-compatible5.0 technology, the wireless transmitter has fast, stable and non-delayed signal transmission.Made of ABS material, the wireless transmitter is eco-friendly and durable to use. It is plug and play, which is convenient to use.The length of the wireless transmitter is 2.3cm, width is 1.45cm and thickness is 0.5cm.The wireless transmitter is suitable for being used in mouse, keyboard, tablet, headset, speaker, gamepad, computer and so on. It is compatible for Windows XP/Vista7/8/8.1/10.Item Name: Bluetooth-compatible TransmitterMaterial: ABSBluetooth-compatible Version: 5.0(Downward Compatibility: 2.0, 2.1, 3.0, 4.0, 4.2)Interface Type: USB2.0Transmission Rate: 24MbpsWorking Frequency: 2.4MHzEffective Working Radius: 100m, Barrier-freeDrive Management Software: for HarmonyApplication Extension: for Software OfficeCompatible System: for Windows XP/Vista7/8/8.1/10Features: Driver-free, Quick Transmission, Stable OutputSize Details: 2.3cm x 1.45cm x 0.5cm/0.91" x 0.57" x 0.2" (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