PLANEX Bluetooth Ver.4.0 + EDR / LE USB adapter compatible with Bluetooth Ver.3.0 or 2.1-Ultra Mini Bluetooth 4.0 USB Adapter for smart phones and headsets, speakers, mouse, keyboards-Corresponds (Find Me Profile) FMP, and (Proximity Profile) profiles the latest PXP/BT-MICRO4 (energy-saving design) Support the 802.11 Co-existence Motorola adopted the stack with excellent stability You can also connect with devices that support Bluetooth Ver.3.0/2.1 Corresponding to the (Find Me Profile) FMP, and (Proximity Profile) profiles the latest PXP Wireless communication is possible smart phones and headsets, speakers, mouse, keyboards, etc.