HP Bluetooth USB 2.0 Wireless Adapter 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