Style:Ear Hook Vocalism Principle:Dynamic Origin:Mainland China Active Noise-Cancellation:No Control Button:Yes Communication:Wireless Volume Control:Yes Certification:CE Plug Type:Line Type Impedance Range:up to 32 Ω Headphone Pads Material:Other Support Memory Card:No Waterproof:Yes Frequency Response Range:20 - 20000Hz Magnet Type:Other Wireless Type:bluetooth Codecs:sbc Is wireless:Yes Connectors:Type c Earcups Type:Semi-open Bluetooth Version:5.0 Charging Method:Charging case Support APP:No With Microphone:Yes Feature 1:Wireless Earphones 4-Mics Clear Call Feature 10:TWS Bluetooth 5.0 Earphones Charging Box Feature 11:Sports Earphone Feature 2:TWS Wireless Headphones Feature 3:Headset With Power Bank Feature 4:Noise Cancelling Feature 5:IPX7 Waterproof Headset Feature 6:LED Display Feature 7:Smart Touch Headsets Feature 8:Auto Pairing Sports Headphones Feature 9:Bluetooth Earphone Wireless Headphone；Durable, no deformation and expansion；Comfortable hand feeling, can protect the mobile phone shell from external damage in all directions