Bluetooth transmitter and receiver adds easily Bluetooth function to your Windows computer which can provide wireless connections between your computer and Bluetooth headsets, speakers, Bluetooth mice, keyboards, and other devices.NOTE: NOT COMPATIBLE with Android devices (smartphones, tablets, smartwatches...).Details:Emission power: 6 dBm.Receiving power: - 86 dBm.Data rate: 3Mbps.Maximum Range: Up to 20m.Bluetooth version: 4.0.Dual mode Bluetooth transfer.Low energy consumption.Compatible: for Windows (Vista /7 /8 /10).Bulk version (shipping without packaging, sent in an envelope and a plastic bag).Package content:1x Adapter.