Nordstrand Electronic Ear Defenders - Headphones with Radio Built in - Wireless AM FM Radio Ear Defender Muffs for Adults - Safety Headset with Hearing Protection & Noise Reduction NRR 25dB :
Wireless Bluetooth Ear Defenders/ Headphones - PROHEAR | eBay
PROTEAR Rechargeable Ear Defenders with Bluetooth, FM/AM Digital Radio and Built-in Microphone, Ear Protector with Hands-Free Calling, Wireless Headphones for Working and Industrial, SNR 30dB: Amazon.co.uk: DIY & Tools
ISOtunes Free True Wireless Ear Defenders All Black | ArdMoor