ADD BLUETOOTH CAPABILITIES: This BT4 adapters lets you add Bluetooth 4.0 capabilities to your computer or laptop through the USB port of your device. | TRANSFER DISTANCE: The Bluetooth dongle provides a secure wireless connection with support for transfer distances up to 50m / 165ft. | RELIABLE CONNECTION: For a secure and reliable connection, the Bluetooth USB adapter is Bluetooth Smart Ready enabling you to connect to the latest Apple and Android smartphones and tablets. | BLUETOOTH 4.0 LE COMPLIANT: The USB Bluetooth receiver offers data transfer rates up to 3 Mbps and low power consumption. The adapter also integrates added security for all transfers using 128-bit AES encryption. | PORTABLE DESIGN: This Bluetooth class 1 adapter?features a lightweight design?that conveniently fits into your laptop PC carrying case, making it ideal for professionals on the go.