• 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 352-1:2002 standard.• Hearing protection level in excess of the standard, with an SNR of 29dB.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 352-1:2002 standard. Hearing protection level in excess of the standard, with an SNR of 29dB.Technical Specification:Nett Weight: 0.36kgTransmission Range: ≥10mBattery: 3.7V 0.75Ah Lithium-ionBattery Life: ≥8hrCharging Time: 3.5hrStorage Temperature: -20 to +60°CStorage Humidity: