ASUS USB-BT211 Mini Bluetooth Dongle: * Enables your laptop to go online through connection with internet-capable handsets * 100-meter signal range in open spaces * Simultaneously use multiple pairings with your Bluetooth peripheral * Supports 17 Profiles for Windows OS * Supports A2DP for wireless stereo music playback * Based on USB 2.0 for fast data transfer and power supply, no extra power supply needed