Best cheaper price for bluetooth dongle 2.0 version bluetooth adapter

2015 new  hot sale Broadcom v2.0 cheap adapter bluetooth dongle

Specification:

1. Bluetooth USB dongle
2. Operation range: 10 meters (class 1) 
3. Carrier Frequency: 2.4-2.483GHz
4. Spread Spectrum: FHSS
5. Data Rate: (Bluetooth v1.2) 1Mbps or (Bluetooth v2.0) up to 3Mbps 
6. I/O Interface: USB v1.1, 2.0,4.0
7. Input Power: DC 5V, USB Power
8. Sensitivity: 
(Bluetooth v1.2) <0.1% BER at -80 dBm
(Bluetooth v2.0) <-85 dBm (typical), GFSK
9. LED Indicator: Single LED

 10. Net Weight: 2g

11. Gross Weight: 24g 
12. Single address code
13. IVT home version software,Bluetooth v4.0+EDR standard

14. CSR Original Chipset 
15. CE ,FCC and RoHS approved

Electrical  Characteristics:

Function:
1.Insert and play , no need to connect the power , supporting all kinds of bluetooth phones , strong compatibility , can transmit any file easily . 
2.Intuitive software operation interface , no complex settings . 
3.Apply to Windows 98SE/ME/2000/XP/vistar or  Mac OS X 10.2.6 and other operation systerm , no need to drive under WindowsXP SP2 , easy to take along . 
4.With access to Internet via wireless dial ( bluetooth phone devices needed) 
5.Bluetooth wireless LAN ,can help 8 pieces of computers build a small wireless network , also can use this function to surf through bluetooth wireless base platform , or via the computer which inserted bluetooth dongle ( the connected base platform and the computer have to be connected to Internet ) . 
6.Supporting bluetooth wireless fax ( the computer need to install fax software ). 
7.Supporting bluetooth wireless file transmit . 
8.Supporting bluetooth wireless data synchronization . 
9.Supporting bluetooth virtual serial port . 
10.Supporting bluetooth wireless print . 
11.Supporting bluetooth headset . 
12.Supporting bluetooth user interface ( bluetooth mouse and bluetoot keyboard ) . 
13.Supporting bluetooth headset with access to the music on computer or chatting through MSN/QQ/SKYPE . 
14.Own audio gateway .