Function : For Internet Bar Style : Ear Hook Control Button : Yes Model Number : I7S Bluetooth headphone With Microphone : Yes Support APP : No Is wireless : Yes Vocalism Principle : Balanced Armature Waterproof : Yes Codecs : AAC Frequency Response Range : 20-22000Hz Sensitivity : 95dB Active Noise-Cancellation : Yes Plug Type : L Bending Support Memory Card : No Communication : Wireless Line Length : None Wireless Type : Bluetooth Volume Control : Yes Connectors : 3.5mm Brand Name : moysdio Resistance : 32Ω