Material used : Headband cushion ultra soft foam covered in color-matched silicone, ear cushion soft audio foam covered in black leatherette, aluminium slider arm
Battery type : Rechargeable lithium ion battery
LED features and functions : Busylight, incoming call
Speaker size : 28mm Ø
Microphone type : Noise cancelling uni-directional ECM microphone
Microphone sensitivity : -17dBFS/Pa
Microphone frequency range : 100Hz to 10kHz
Battery life : Up to 14 hours
Power consumption : 5V/500mA
Standby time : Up to 15 days
Connection (computer and mobile devices) USB-A : Bluetooth adapter, Bluetooth