SOMOS IMPOTECHCO-------------------------------------------------------------------------------------------------------------------Bluetooth version: 4.2Chipset: RTL8821CUInterface Type: USB 2.0Frequency range: 2.4GHz+5.8GHzAntenna gain: 2dBiTransmission Rate: 600Mbps (11N:150Mbps, 11AC:433Mbps)Standards: IEEE 802.11AC, 802.11b, 802.11g, 802.11nSize: 1.22x0.6x0.31 inchColor: BlackEncryption: WEP Encryption, WPA-PSK, WPA2-PSK, WPA/WPA2 64/128bit Encryption.