M12 Specs
One-button selection between headset or handset Separate controls adjust outgoing and incoming volume Unique SoundGuard Plus and Call Clarity technology provides improved sound quality while delivering automatic sound protection Mute control
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H41 Specs
External receiver rests lightly against the outside of the ear Receiver rotates to rest comfortably against outside of ear Convenient Quick Disconnect feature lets you walk away from your phone while still wearing your headset No eartip, no headband ... no hassles Easy to put on and take off Superior voice tube design with patented SoundGuard Plus and Call Clarity technology Lightweight design
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