Material:Silica Gel [mah]:1600 Life Up To[hours]:100Voice Assistant Built-in:NoNfc Technology:NoCategory:Earphones & HeadphonesEarcups Type:Open-backMax Output:12mwNumber Of Drivers:2Charging Method:Charging CaseHeadphone Pads Material:SiliconeMagnet Type: Driver Diameter:13mmTotal Harmonic Distortion:1%Impedance Range:Up To 32 惟Bluetooth Version:5.3Package List:User Manual,charging Case,carrying Bag,charging Cable,replaceable Pads SetFeatures:Waterproof,with Microphone, Siri Support,active Noice CancellingCodecs:AacWith Microphone:YesIs Wireless:YesSupport App:NoSupport Memory :NoWaterproof:YesResistance:120蠅Line Length:0mFrequency Response Range:20 - 20000hzSensitivity:3dbPlug Type:NoneFunction:For Internet Bar, Headphone,for Video Game,common Headphone,for Mobile Phone,hifi Headphone,sport,for Hearing Aid,for Outdoor,for ,for StudyActive Noise-cancellation:NoVolume Control:YesControl Button:YesVocalism Principle:DynamicWireless Type:BluetoothConnectors:Type CCommunication:True WirelessStyle:Ear HookCertification:CeOrigin:Mainland Name:F4 Tws Wireless HeadphonesType:Led DisplayAdvantage 1:Led Display + Cvc Noise Reduction + WaterproofAdvantage 2:Bluetooth Earphone + Wireless Headphones + Bluetooth HeadphonesStyle 1:Auriculares Bluetooth + Fone De Ouvido Sem Fio + Auriculares InalambricosStyle 2:Sports Headphones + Ear Hook + Wireless EarphonesDropshipping:YesControl:Button Control100 Hours:Uitra-long LifeCharging Box:Support Charge Your Phone