feature:
1. Name: Bluetooth 4.0 adapter
2. Accessories: Bluetooth adapter + package
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3. Bluetooth chip: original CSR8510
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4 in line with the latest Bluetooth 4.0 specification
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5 powerful (dual mode, you can connect Bluetooth smart device)
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6. speed increase (theoretical speed 3M / second)
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7. Receive / send range: 20 meters
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8. Bluetooth BT 4.0 LE compatible (high speed)
9. Operating System: Windows XP, Vista, Windows 7 32/64 win8
