Style : HeadphoneVocalism Principle : DynamicOrigin : Mainland ChinaActive Noise-Cancellation : NoControl Button : YesCommunication : WirelessVolume Control : YesCertification : CE,FCC,RoHS,ULNumber Of Drivers : 2Plug Type : Line TypeImpedance Range : up to 32 Headphone Pads Material : Genuine LeatherSupport Memory Card : YesWaterproof : NoFrequency Response Range : 18 - 22000HzMagnet Type : NeodymiumWireless Type : bluetoothLine Length : 0.8NonemCodecs : sbcDriver Diameter : 40mmResistance : 32Sensitivity : 85dBdBIs wireless : YesConnectors : 3.5mmEarcups Type : Semi-openBluetooth Version : 5.0Total Harmonic Distortion : 0.38%Charging Method : CableMax Output : 1238mWSupport APP : NoFunction : Monitor Headphone,for Video Game,Common Headphone,For Mobile Phone,HiFi Headphone,SportWith Microphone : YesFeatures : Detachable CableBluetooth version : V5.0+EDREffective range : as far as 15 metersmode : stereo sound modeFrequency : 2.40GHz-2.48GHzsupport system : A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5Voltage : 3.7VDC (built-in 400MAH rechargeable battery)talking time : 15-25 hoursstandby time : 350hourcharge time : 3 hourcompatible with : Mobile phone pad PC TV Laptop and so onOther funciton : TF card playing(excluded TF card)colors : 12 colorsOEM logo : accept printing logo:1000PCS MOQ