Product Description HeadphoneEarpiece DesignIn-Ear (Intra-Aural)Number of Drivers1, per EarpieceDriver Size0.24" / 6 mmImpedance16 OhmsActive Noise CancellationNoControls/Microphone LocationControls: Left Earpiece, Right EarpieceMicrophone: Earpiece (Side Unspecified)Full Remote OS SupportNot Specified by ManufacturerSensorsTouchPerformanceFrequency Response20 Hz to 20 kHz (Wireless)Maximum Sound Pressure Level (SPL)95 dBTotal Harmonic Distortion (THD)3%Storage CapacityNoneWireless ConnectivityBluetooth5.0NFCNoBatteryRuntime4 Hours (BT)Charging PortMicro-USBCharging CaseAdditional Runtime12 HoursCharging InterfaceMicro-USBPhysicalWater ResistanceResistantIP RatingIP55WeightEarphones: