Bluetooth 4.0 USB Adapter, Costech Gold Plated Micro Dongle 33ft/10m Compatible with Windows 10,8.1/8,7, Vista, XP, 32/64 Bit for Desktop, Laptop, computers

This adapter creates cable-free connections between PCs and other Bluetooth devices such as Bluetooth enabled headsets, speakers, cell phones, keyboard or mouse and more (with Microsoft built-in drivers) at speeds of up to 3 Mbps. Bluetooth 4.0 technology. Backward compatible with Legacy Bluetooth Equipment Bluetooth 3.0, 2.1, 2.0 and 1.0 Equipment, Improves Bluetooth support for Windows 10, 8.1 /8, 7, Vista, XP, 32 bit and 64 bit. Supports Bluetooth stereo headsets and more with built-in Windows 10 and 8 drivers or using the included drivers for Windows 7 and earlier.

Specifically, works with Microsoft's new Bluetooth 4.0 Low Energy support in Windows 8 and later. Does not add Bluetooth Low Energy. Extremely compact USB adapter. Supports A2DP stereo playback, Safe to leave in for laptop travel Newest Bluetooth class 2 Smart Ready specification with v 4.0 low energy. Up to 33ft/10m, wireless data exchange, audio Music Stream Enhanced Data Rata (EDR) compliant for both 2 Mbps and 3 Mbps modulation modes with gold plated connector.
Important Note: When you connect headset or speaker, feel the sound like handsfree, please You have to Uncheck "Handsfree telephony" from the services setting on your Bluetooth device -> Control Panel/Hardware and Sound/Devices and Printers -> select your device and right-click, open Properties, then go to Services tab and uncheck Handsfree Telephony. Marked as your Default device in Control Panel -> Hardware and sound -> Change system sound -> Playback -> select Bluetooth device and select set Defaults. CRS V 4.0 Dongle Support Bluetooth voice and date transmission Ultra-compact, easy carrying and space saving. Experience stereo audio with Advanced audio Distribution Profile (A2DP) support. Bluetooth Low Energy (BLE) protocol support. Up to 3 Mbps data transfer rate with Enhanced Data Rate (EDR) support. Backward support classic Bluetooth V 3.0 / 2.1 / 2.0 / 1.1
Bluetooth version: 4.0 with EDR - data transfer rate up to 3Mbps
ISM Band: 2.402 - 2.480GH z
Support Profile: Serial Port, Object Push, File Transfer, LAN Access, Personal Area Network, audio Gateway Compatibility Windows 10, Windows 8, Windows 7, XP, Vista, 2003, 2000, Me, Bluetooth-enabled devices, like iPhone, iPad, iPod, Samsung Galaxy, note, smartphones, tablets, keyboards, mice, speakers, printers, projectors, headsets & more Package including 1 x Bluetooth USB Adapter 1 x Driver installation
CD PLEASE NOTE: 1. The product has the maximum range up to 35ft. 2. There is a misprint on the package showing that [Sending/Receiving range is 65 ft. We apologize for any confusion this may have caused.