Denver TWE-46LIGHTBLUE. Product type: Headset. Connectivity technology: Wireless, Bluetooth. Recommended usage: Music. Wireless range: 10 m. Product colour: BluePorts & interfacesConnectivity technology: WirelessBluetooth: YBluetooth version: 5.0Wireless range: 10 mWeight & dimensionsWidth: 48 mmDepth: 25 mmHeight: 60 mmPackaging dataPackage width: 95 mmPackage depth: 30 mmPackage height: 125 mmPackage weight: 70 gPackage type: Hanging boxMicrophoneMicrophone type: Built-inHeadphonesEar coupling: IntraauralImpedance: 16 Driver unit: 1 cmPackaging contentCharging case capacity: 400 mAhExtra earbuds: YBatteryBattery operated: YBattery type: Built-in batteryBattery capacity: 40 mAhContinuous audio playback time: 3 hTalk time: 3 hStandby time: 30 hPerformanceProduct type: HeadsetWearing style: In-earRecommended usage: MusicProduct colour: Blue