BLUETOOTH ACTIVE-NOISE-CANCELLING HEADSET LOGILINK,Connectivity: Bluetooth + 3.5 mm AUX,Bluetooth Version: 5.0,Headset Type: Over-Ear,Microphone: Built-in, Omnidirectional,Microphone Impedance & Sensitivity: 2.2. KΩ & -40+-2 dB,Headband: Adjustable, Foldable & Padded,Noise Cancellation: Active Noise Cancellation (ANC),Controls: On-earcup controls,Working distance: 10m,Charging time: 2 hours,Working time: Up to 40 hours with ANC, up to 36.5 hours with,Bluetooth (50% volume), up to 24 hours with ANC and Bluetooth (50% volume),Standby time: About 100 hours,LED indication: Indicator for ANC, Power & Connectivity,SNR: >= 50dB,Frequency Response: 20Hz-20kHz,Dimensions (cm): 17.8 x 16 x 8.5,Weight: 230g,Compatibility: Windows/Mac/iOS/Android/Chrome OS,Colour: Black