Style : Ear Hook Communication : Wireless Connectors : None Wireless Type : Bluetooth Vocalism Principle : Dynamic Control Button : Yes Volume Control : Yes Active Noise-Cancellation : Yes Function : For Mobile Phone,For Internet Bar,for Video Game,Sport,Common Headphone Plug Type : Wireless Sensitivity : 42±3dB Frequency Response Range : 20-20000Hz Line Length : None Resistance : 32Ω Waterproof : Yes Model Number : i7s Tws mini pk i8s i9s i10s earphone Support Memory Card : No Support APP : Yes Is wireless : Yes With Microphone : Yes Codecs : Apt-X HD Brand Name : WeiFaJK Fuction 1 : ecouteur sans fil bluetooth for iphone Samsung huawei Fuction 2 : elari in-ear earphones headsets earbuds for phone Fuction 3 : wirless headphones for kz tws bluetooth earphones Fuction 4 : new best wireless earphone for iphone headsets Fuction 5 : wireless bluetooth headphone for man women children kids Fuction 6 : bluetooth headphones for marshall phone Fuction 7 : auriculares bluetooth tws wireless earphone Fuction 8 : PK i10s i9s i8s tws stereo bluetooth headset Fuction 9 : cascos inalambrico bluetooth Fuction 10 : bluetooth kulaklk bluetooth for bluedio samsung phone Version : Bluetooth Earphone 5.0 4.2 Support Apt-x : Yes