Product features:
• Foldable, efficiency noise-canceling function
• Lighter, updated design features slim headband and memory foam ear cushions
• Award-winning sound performance
• Fold-flat, collapsible design allows easy storage in carrying case
• Superior noise isolation
• Amazing bass response
• Use like headphones with other MP3 players (3.5mm headphone jack required)


Technical data:

• Dimension195x150x80mm
• Weight220g(w/o MIC and cables)
• Operation Voltage3.5-4.2V
• Operation current50 mA
• Lithium battery capacity450 mAh
• Continuous working time8h
• Charging time3h
• Frequency Range2.400-2.483GHz
• Channel spacing2MHz
• Transmit power3dBm
• Sampling frequency:32KHz,16bit
• Modulation mode GFSK
• receiving sensitivity-80dBm
• Signal to noise ratio75dB
• Speaker diameter40mm
• Speaker impedance32Ω
• Frequency response20~20KHz