DimensionsHeadsetHeight: 174.7 mmWidth: 176.7 mmDepth: 70.7 mmWeight: 180.8 gEar pad dimensionsHeight: 70.7 mmWidth: 70.7 mmDepth: 16.4 mmZone Wireless ReceiverHeight: 21.5 mmWidth: 13.6 mmDepth: 6 mmZone Wireless USB-C adapterHeight: 25.2 mmWidth: 16.5 mmDepth: 9.5 mm* The adapter is only compatible with Logitech Zone Wireless Bluetooth Receiver.Zone Wireless Plus ReceiverHeight: 35.5 mmWidth: 16.2 mmDepth: 5.3 mmZone Wireless Plus USB-C adapterHeight: 106.7 mmWidth: 17.5 mmDepth: 10.1 mm* The adapter is only compatible with Logitech Zone Wireless Plus Receiver.Technical SpecificationsMicrophoneType: Omni-directional dual MEMS mic arrayFrequency Response: 85 ~ 20KHz @-3dB (MEMS mic freq resp)SpeakersFrequency response (music mode): 30 ~ 13KHz @ -10dBFrequency response (talk mode): 100 ~ 8KHz per TIA920Audio compliance: Compliant to EN 50332BatteryBuilt-in battery (Lithium ion)Battery life (talk time): 14 hrs (ANC on), 15 hrs (ANC off)Battery life (listening time): 14 hrs (ANC on), 16 hrs (ANC off)ChargingQi Wireless charging enabled3Qi wireless charger sold separately.USB-A to C charging cable: 130 cm4Available only for Zone Wireless.WirelessBluetooth version: 5.0Wireless range: Up to 30 m (open field line of sight)Warranty Information2-Year Limited Hardware Warranty