Brand Name: ZONGJI Style: In-ear Vocalism Principle: Balanced Armature Origin: Mainland China Active Noise-Cancellation: Yes Material: Plastic Control Button: No Communication: True wireless Volume Control: Yes Category: Earphones & Headphones Certification: CE Certification: FCC Number Of Drivers: 2 Plug Type: None Headphone Pads Material: Silicone Support Memory Card: No Waterproof: Yes Magnet Type: Other Wireless Type: Bluetooth Line Length: 0 Package List: User Manual Package List: Charging case Package List: Charging Cable Package List: Replaceable Pads Set Codecs: AAC Driver Diameter: 8 Resistance: 4 Sensitivity: 110DB(110dB) Is wireless: Yes Earcups Type: Sealed Bluetooth Version: 5.1 Total Harmonic Distortion: 1 Charging Method: Charging case Max Output: 15 Support APP: No Function: Monitor Headphone Function: for Video Game Function: For Mobile Phone Function: HiFi Headphone Function: Sport With Microphone: Yes Features: Waterproof Features: With microphone Features: Amazon Alexa Support Features: Apple Siri Support Features: Active Noice Cancelling Features: Playback Control Features: Google Assistant Support Choice: yes