Professional Bluetooth Hearing Protector

• OSHA-compliant, including ISOtunes signature SafeMax™ Technology with 79 dB volume limit
• No Microphone - for use in environments where communication is restricted 
• ANSI-certified 27 dB Noise Reduction Rating (NRR)
• 10 hour music playback and 240 hour standby time
• Features aptX® high definition audio playback
• Custom-fit memory wire conforms to ear for stable fit 
• IPX55 dust and sweat/water resistant
• Bluetooth 4.1 + EDR, compatible with all Bluetooth-enabled devices

Note: ISOtunes PRO in Safety Green does NOT have a voice microphone and the volume output is limited to 79 dB.