Feature: Smart Interactive Bluetooth-compatible 4.0 USB Mini Adapter Dongle Achieved with CSR8510 Low Energy Controller fully Content with Bluetooth-compatible 4.0 Specification. 24-Bit Verification & Adaptive Frequency Hopping() 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 Processing Exclusive for Bluetooth-compatible 4.0 Voice Quality Enhancing allow to Process AAC Audio Losslessly as well as Process MP3, WAV, APE or FLAC. Compatible with Classic Bluetooth-compatible 4.0 and Bluetoth 3.0. Plug and Play Enabled Fingernail Size Mini Adapter allow to Plug and Forget. It's an Perfect Solution to transfer File, Audio or Voice Wirelessly for your Desktop and Laptop. Dual Mode (Transmitter & Receiver) Enabled Bluetooth-compatible Adapter Extra Premium CSR Harmony Application allow for Office and other Applications Accessing Bluetooth-compatible Connection Directly. AVRCP & A2DP Service allow Cell phone, Tablet and any Bluetooth-compatible Devices connect to Speaker, Headset of Computer with 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 , , , Advanced Audio Processing, AVRCP, A2DP, DUN-GW, , HFP A2DP AVTCP, , OPP, Audio-GW, FAX, BPP. Material: Nylon+EVA colour: Black Package Contents: 1 x for MINI 3 PRO Shoulder Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.