HomeBluetooth HeadphonesSoundMaxDETAIL & DOCUMENTSTECHNICAL SPECSBluetooth Version4.2 + EDRSupported Bluetooth ProfilesHeadphones and hands-free operationOperating Range10 metersOperating Temperature0-50 degrees CelsiusCharging TimeApproximately 2-2.5 hoursTalk Time*Up to 12 hoursStandby Time*Up to 50 hours