... with WLAN devices 2.Class II, operating range up to 10 meters 3.Data rate up to 723 Kbps 4.Superior Hi-Fi ... encryption 7.Built-in microphone for voice communications 8.Compatible with most Bluetooth-enabled devices, such as cellular phones, PDAs, notebooks ... .Portable, stylish, lightweight, and compact design 13.Easy to Wear with Collapsible Behind-the-Neck headband and comfortable ear hooks on ...