The OpenComm2 UC brings you an advanced open-ear design for superb all-day comfort. 7th generation bone conduction technology ensures crystal-clear audio while an adjustable, dual noise-canceling microphone delivers high-quality callsSpecifications:Connectivity: Bluetooth 5.1Wireless Range: Up to 30 MetresWater Resistance Rating: IP55Talk time: Up to 16 HoursListen Time: Up to 8 HoursStandby Time: 14 DaysCharge Time: 1 HourBattery: Lithium Polymer (183mAh)Frequency Response: 20HZ – 20kHZSpeaker Sensitivity: 96 +-3dBSpeaker Sensitivity: -38 +-3dBImpendance: 8.5 ohms +-20%Weight: 35g: 2 YearsFeatures:Advanced open-ear design with 9th generation bone conduction technologyAll-Day ComfortFast ChargingDual Noise-Cancelling Boom Mic – Crystal Clear Calls16 Hours of Talk TimeStay Connected & Situationally AwareOutstanding Audio QualityZoom CertifiedMultipoint Pairing – Pair your headset with up to two devices at a timeUser-Friendly Integrated ControlsMoisture-Resistant Durability – IP55 Water ResistantSHOKZ Connect Software – Never miss a function upgrade, and keep your headset up to date with the latest firmwareWhat’s in the box?1 x SHOKZ OpenComm 2 UC Stereo Bone Conduction Headset1 x SHOKZ Loop 110 USB-A Wireless Adapter1 x Magnetic Induction Charger1 x Hard Shell Carring Case1 x User Manual