Warranty: 1 Year Product Description: Bluetooth 4.2 Which is 3x Faster then BT4.0 Dual Band Picks up Both the 2.4 Ghz and 5GHz Bands Technology Wave 2 Mu-MIMO Play & Plug or Free Driver Win8-Win8.1 and Win10 Support Win7/XP Technical Specifications: Operating Frequencies : 2.4-2.4835 Ghz & 5.15-5.85 Ghz Host Interface : USB2.0 IEEE Standards : IEEE 802.11a/b/g/n/ac Wireless Data : Upto433Mbps Bluetooth : 3.1/3.0/4.1/4.2/LE Power Supply : Vdd5 5V+0.3V Main Power Supply