Material: Plastic Function: For Internet Bar,for Video Game, For Mobile Phone, Sport, For Hearing Aid, For Swimming, For Sleep, For Study, For DJ, For Office, For Outdoor, HiFi Headphone, Common Headphone, Monitor Headphone Origin: Mainland China Certification: CE Features: waterproof, With microphone, Apple Siri Support, Active Noice Cancelling, Playback Control Waterproof: Yes Communication: True wireless Connectors: Lightning Style: In-ear With Microphone: Yes Plug Type: None Frequency Response Range: 20 - 2000OHz Line Length : Om Is wireless: Yes Wireless Type: bluetooth Vocalism Principle: Dynamic Support Memory Card: No Support APP: No Control Button: No Volume Control: Yes Active Noise-Cancellation: Yes Codecs: Apt-X HD Package List: User Manual, Charging case, Charging Cable Magnet Type: Neodymium Headphone Pads Material: Silicone Charging Method: 5.0 Impedance Range: up to 32 Number Of Drivers: 2 Driver Diameter: 13mm Earcups Type: Semi-open Battery Capacity[mAh]: 400 Battery life up to [hours]: 3.5-4 Height[mm]: 18 Sound Isolating: YES NFC Technology: No Weight[g]: 25 Depth[mm]: 50 Maximum wireless range[m]: 10m-20m Voice assistant built-in: YES Width[mm]: 50 Category: Earphones ; Headphones Hign-concerned Chemical: None