StarTech.com - USBBT1EDR4 - Adaptateur mini USB Bluetooth 4.0, portée de 50 mètres
Backward compatible with Bluetooth v3.0, 2.0, 1.2 and 1.1 devices Ultra-compact form factor Class 1 device with 50m (165ft) effective range Support for Enhanced Data Rate (EDR) with data transfer rates up to 3 Mbps Low power consumption Power / Linking / Standby LED indicator Bluetooth® 4.0 LE compliant Bluetooth Smart Ready transceiver.