ORICO Wirele USB Bluetooth-compatible Adapter 4.0 Bluetooth-compatible Dongle aptX Music Sound Receiver Adapter Bluetooth-compatible Transmitter for ComputerFeature:Smart InteractiveORICO BTA Bluetooth-compatible 4.0 USB Micro Adapter Dongle Achieved with CSR8510 Low Energy Controller fully Content with Bluetooth-compatible 4.0 Specification.24-Bit CRC Verification & Adaptive Frequency Hopping(AFH) Enabled allow a Reliable Connection up to 3Mbps and 100 Metres (Peer to Peer) with any Bluetooth-compatible Enabled Cell Phone, Tablet, Speaker, Headset or Headphone, Mice and Keyboard.Advanced Audio Proceing Exclusive for Bluetooth-compatible 4.0 Voice Quality Enhancing allow to Proce AAC Audio Lolely as well as Proce MP3,WAV,APE or FLAC.Compatible with Claic Bluetooth-compatible 4.0 and Bluetoth 3.0. Plug and Play Enabled Fingernail Size Micro Adapter allow to Plug and Forget.It's an Ideal Solution to transfer File, Audio or Voice Wirelely for your Desktop and Laptop.ORICO BTA Dual Mode (Transmitter & Receiver) Enabled Bluetooth-compatible Adapter Extra Premium CSR Harmony Application allow for Microsoft Office and other Applications Acceing Bluetooth-compatible Connection Directly.AVRCP & A2DP Service allow Cell phone, Tablet and any Bluetooth-compatible Devices connect to Speaker, Headset of Computer with ORICO BTA and Playing Music of transfer Voice, Update your Wired Speaker or Headset to Bluetooth-compatible Easily.Compatible Operating Systems:For Windows XP,2003,Vista,7,2008 and Windows 8 32 or 64 Bit.Compatible Bluetooth-compatible Devices:Cell Phone, Tablet, Speaker, Headset or Headphone, Mice and Keyboard.Compatible Bluetooth-compatible Profiles:HID, 24-Bit CRC, AFH, EDR, Advanced Audio Proceing, AVRCP, A2DP, DUN-GW,HSP,HFP A2DP AVTCP,FTP,OPP,Audio-GW,FAX,BPP.Packing list:1x Bluetooth-compatible 4.0 Dongle1x Instructions1x Thank-you Card