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 V4.0 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 V3.0/2.1/2.0/1.1
Bluetooth version: 4.0 with EDR - data transfer rate up to 3Mbps
ISM Band: 2.402-2.480GHz
Support Profile: Serial Port, Object Push, File Transfer, LAN Access, Personal Area Network, Audio Gateway
Windows 10, Windows 8, Windows 7, XP, Vista ,2003, 2000,Me,
Bluetooth-enabled devices, like iPhone, iPad, iPod,Samsung Galaxy,note ,smart phones,
tablets, keyboards, mice, speakers, printers, projectors,headsets & more
1 x Bluetooth USB Adapter
1 x Driver installation CD
1. The product has the maximum range up to 35ft.
2. There is a misprint on the package showing that [Sending/Receiving range is 65-160 ft.]. We apologize for any confusion this may have caused.