Technical ParametersBrand: ROMAN、 100% New and OriginalItem No.: R505Origin: ChinaBlutooth Specification: ISSCTransmission Distance:10MTalking Time:>2 hoursMusic Time: >1.5 hoursStandby Time: >75 hoursCharging Time: about 2 hoursDimension: 17.5X42X22mmNet Weight: 6.5gColor: Black、 WhiteAfter-sale Service: Nationwide WarrantySupport Stereo:YES Main features1.Bluetooth V3.0、 faster connection and better compatibility2.Multi-point technology - Pairing two mobile phones. Can connect with 2 bluetooth dedvices at the same time3.Stereo sounds function、 Built-in stereo sound chip make sound perfect4.Voice alert function5.Noise reduction. Special Mic design can reduce noise6.IOS system battery display7.With an addtional earphone. Retail Box Package include:1 x R505 Bluetooth Headset1 x USB Cable1 x Ear Loop/Hook1 x Earphone