* Extremely compact design Bluetooth 3.0 USB Adapter * Universal Bluetooth connectivity for your PC/laptop * Effectively power saving, ultra low power consumption * Backward compatible with Bluetooth v1.2/2.0/2.1 * Supports A2DP stereo streaming, up to 3Mbps link speed * Noise cancellation with extraordinary performance Standard - Bluetooh v3.0 (backward compatible with v1.1/1.2/2.0/2.1) General - Interface: USB 2.0, type A - Chipset: Broadcom - Frequency band: 2.4000 – 2.480 GHz - Spread Spectrum: 79 Channel; FHSS (Frequency Hopping Spread Spectrum) - Transfer Rates: 3Mbps - Power Class: Class 2 - Receiving Sensitivity: -80dBm at 0.1% BER - Antenna: Integrated Antenna - Input Power: USB Bus Power - Certification: FCC, CE - LED: Power ON (blue) - OS Support: Windows XP/Vista/7, Mac OS X 10.5/10.6 Size - Dimensions: 4.5 (H) x 14.2 (W) x 19.3 (L) mm - Weight: Approx 2.4g Environmental - Operating temperature: -10 ~ 50°C - Storage temperature: -20 ~ 60°C (-4 ~ 14°F)