Boom Microphone sold separately.

• New boom mic* attachment for clearer calls in loud environments
• New raised buttons for easy navigation
• Improved battery life up to 50 hours
• Improved Bluetooth 5.0
• Vented headband with new comfort foam headband 
• Memory foam ear cushions
• ANSI-certified 25 dB NRR
• OSHA-compliant hearing protection
• SafeMax™ Technology limits volume to 85 dB
• Optional AAA battery** (3) use for up to 100 hour battery life
• IPX4 sweat and water resistance
• Background noise-reducing microphone for clear calls in loud environments
• Siri/Google Voice compatible 

ISOtunes LINK 2.0 comes with a rechargeable lithium-ion battery and micro-USB charging cord.

*Boom Microphone sold separately

**AAA Batteries not included