USB Bluetooth 2.0 Class 1 Link
The adapter is a Class 1 adapter, giving you a range of up to 100 metres when connected to another Class 1 device. Bluetooth 2.0 support gives you three times greater speed than previous Bluetooth versions. English manual.
Sandberg USB Bluetooth 2.0 Class 1 Link. Host interface: USB. Colour of product: Black. Minimum processor: Pentium PC 200 MHz, Minimum RAM: 64 MB. Package width: 16.9 mm, Package depth: 5.6 mm, Package height: 22.2 mm. Data transfer rate: 3 Mbit/s, Maximum operating distance: 100 m, Connectivity technology: Wireless