Insignia - Bluetooth 4.0 USB Adapter NS-PCY5BMA AECO BRAND, Only authorized dealer can sell on this product.Don't buy bad quality fakes from unauthorized sellers. If you have brought fakes from other sellers please make A-Z dispute with them and get your money back ASAP. fake products aways broken in short time and no warranty ! Simultaneously connect Bluetooth devices such as a mouse, speaker, mobile. digital photo frame, Bluetooth headset or another PC. Turn any non-Bluetooth enabled PC into a Bluetooth enabled PC. Range Up to 10 meters / 33 feet (peer-to-peer). Built in Antenna 2dBi