Fully Content with Bluetooth 4.0 Specification with 24-bit CRC Verify & Adaptive Frequency Hopping(AFH) Enabled High Sensitivity CSR8510 A10 Controller * Premium CSR Harmony Application included allow Microsoft Office and other Applications Access Bluetooth Connection Directly * Advanced Audio Processing Enabled allow a Lossless Audio and DATA Delivery up to 3Mbps and 100M (Peer to Peer) * AVRCP & A2DP Enabled allow to Play Music on the Speaker or Headset of Computer from Cell Phone，Tablet PC and any Bluetooth Enabled Devices * Micro Bluetooth Adapter allow to Plug and Forget,Compatible with Windows XP,2003,Vista,7,2008 and Windows 8 Both 32Bit and 64Bit