Specification:Additional InfoBrand: MicrolabModel: OUTLANDER 300Type: Over-Ear Premium circumaural Bluetooth headset. Frequency Response: 20 Hz - 20 kHz Sound pressure level: 115 ± 3 dBImpedance: 32 ΩWireless Range: 10mTalk Time: 22HStandby Time: 900 hoursMusic Play Time: 20 hours