Built-in digital wireless technology including microphone allows you to take hands-free calls or listen to music via your ear defenders. Easy-access controls enable you to take calls and adjust the volume level. Includes AUX input to allow connection with non-wireless compatible devices. Fitted with adjustable headband for comfort. Supplied with charging cable and AUX cable. Lightweight, yet rugged construction, certified to BS EN 352-1:2020 standard. Hearing protection level in excess of the standard, with an SNR of 29dB.