150Hz-7KHz wideband frequency response for clear audio True wireless headset, no bodypack 168g lightweight, comfortable to wear all day long 1000' 2-way operating range DECT 6.0 for stability and security Instant pairing, easy to use Premium acoustic echo cancellation Rechargeable batteries and charger included 2/3/4/6/8 headset package options Mic boom up/down for easy talk/mute control