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Special features ADJUSTABLE BOOM MICROPHONE Designed with single line microphone, no interference from other directions, no background noise. For the best call, please set the microphone near your mouth. RETRACTABLE HEADBAND With an adjustable headband, you can adjust it to a suitable width for the size of your head. EXCLUSIVE 2-IN-1-IN-LINE CONTROL Concentrate fully on the conversation with simple call control buttons Loudspeakers The indicator lights always show you whether the muting is activated or not. Technical specifications Type: headset Volume control: YES Control button: Yes Communication: Wired Function: noise canceling, microphone Cable length: 1.2 m Waterproof standard: IPX 65 Color: Black Material: ABS + TPE Feature: Comfortable to wear Speaker impedance: 32O Weight: 220g Frequency range: 20-20,000 Hz Sensitivity: 95+ / -3 dB at 1000 Hz Outer packaging: paper box