3M WorkTunes Connect, Bluetooth Ear Defenders Wireless, 90543EC1, Hearing Protector Earmuffs, Connect your Mobile Phone for Calls or Streaming, 30+ hours battery life, Rechargeable, (94-105 dB) : Amazon.co.uk: DIY & Tools
3M™ WorkTunes™ Connect Wireless Hearing Protector | 3M United States
3M™ WorkTunes™ Connect Wireless Hearing Protector Earmuffs with Bluetooth® Technology, 90543EC1 (94-105 dB) | 3M United Kingdom
3M™ Peltor™ WS™ LiteCom Pro III Ear Defender | MT73H7A4D10EU | MT73H7B4D10EU | MT73H7P3E4D10EU | £1,066.80
Peltor 3M X5A Ear Defenders with Headband, Black & 3M Optime I, H510AC1, Ear Muffs Headband, Lightweight Ear defenders, Hearing Protection reduces noise level by up to 27dB, Pack of 1 :