10db Antenna: This Network Card Adapter Adopts A Unique 10db Antenna Design, Which Can Effectively Enhance The Reception And Stability. Bt 4.0: This Network Card Adapter Also Has Built In Bt 4.0 Technology, Which Enables Fast Connection Between Devices And Supports Simultaneous Connection Of Multiple Bt Devices, Such As Bt Headphones And Bt Speakers.
eBay