Highlights

• Lightweight and comfortable on-ear fit
• 40mm drivers deliver crisp and natural sound from various audio sources
• Ear cups rotate to lay flat while resting on your shoulders
• On-board controls for power, music and phone call management

Specifications

• Headphone:
• Form factor: On-ear
• Driver unit: ?40mm
• Maximum power output (R.M.S.): 40mW
• Frequency response: 100Hz-20kHz
• Signal to noise ratio: 80dB
• Impedance: 32?
• Sensitivity: 119±3dB
• Color: Black
• Microphone:
• Directivity: Omnidirectional
• Frequency: 100Hz-10kHz
• Impedance: 680?
• Sensitivity: -42dB +/-3dB
• Type: 300mAh, lithium polymer
• Charging time: 2 hours
• Run time: 12 hours*
• Standby time: 30 hour
• Charging method: Micro USB (5V/500mA)
• Additional information:
• Connection type: 3.5mm wireless technology 
• Wireless RF frequency: 2.4GHz-2.480GHz
• Memory slot: Supports micro-SD™ cards**
• Wireless range: 33ft
• Cable length: 4.4ft
• Dimensions: 6x7.2x1.5in
• Weight: 6.5oz