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With 3 button: Prev/vol-, Play/Pause, Next/vol+ Mini USB Charge cable
Bluetooth2.1+EDR(Enhanced Data Rate)Backward compatible: V2.0, V1.2, V1.1 standard, Support A2DP, AVRCP
Compatibility: All Bluetooth Enabled Phones and PC(Windows XP/Vista/7). Apple Macintosh; B: Working many brand bluetooth A2DP mobile phone included: iPhone 3G/4G/ Apple iPad/iPad2.
Frequency: 2402MHz-2408MHz ISM Band
Working time 10-12 huor
Working Voltage: 3.3V-4.2V
Average Working Current: 80MA
Charge time 2 hour
Data Transmission rate: 2.1Mbps
Frequency Range: 20Hz-20000Hz
Audio out put: Low power consumption Class D type Digital Power Amplifier
Built-in Li-polymer 3.7/650mAh
Out put power: 2W
