Standard Bluetooth V4.0 Interface USB 2.0 Data Rate Up to 3Mbps Distance of Use Over 10 Meters in Free Space Frequency Band 2.4 to 2.4835GHz Unlicensed ISM Band Spectrum FHSS (Frequency Hopping Spread Spectrum) Modulation GFSK for 1Mbps, 4-DQPSK for 2Mbps, 8-DPSK for 3Mbps OS Support Windows 8 32/64 Bit Windows 7 32/64 Bit Windows XP 32/64 Bit Item Dimension (L"xW"xH") 5.9 x 8.8 x 5.4 Weight 1.69 lb Warranty Information 2 Years
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