• Soft, memory foam ear cushions
• Ventilated headband 
• ANSI-certified 25 dB NRR | CSA Class B
• CSA/OSHA Compliant hearing protection
• SafeMax™ Technology limits volume to 85 dB
• Up to 14 hour run-time with rechargeable lithium-ion battery
• Optional AAA battery (3) use for up to 28 hour run-time (not included)
• IPX4 sweat and water resistance
• Noise-isolating microphone for clear calls in loud environments
• Bluetooth 4.2
• Siri/Google Voice compatible 

Comes with rechargeable lithium-ion battery and micro-USB charging cord.