Style: Headphone Certification: CE Vocalism Principle: Bone Conduction Control Button: Yes Active Noise-Cancellation: No Communication: True Wireless Volume Control: Yes Sensitivity: 90dB Wireless Type: bluetooth Is wireless: Yes Support APP: No Function: Sport Number Of Drivers: 2 Plug Type: None Package List: User Manual Package List: Charging Cable Connectors: Balanced Connection Model Number: AS9 Bluetooth Version: 5.1 Support Memory Card: Yes Driver Diameter: 16.3mm Waterproof: Yes Frequency Response Range: 20 - 20000Hz With Microphone: Yes Features: waterproof Features: With Microphone Features: Apple Siri Support Charging Method: CABLE Feature 1: Open-Ear Design Bone Conduction Headphone Feature 2: BT5.1+MP3 Mode MP3(16GB Storage) Feature 3: Sport/Runing/Swimming Earphone Feature 4: For xiaomi Huawei Headphones Feature 5: IP68 Waterproof Wireless Headset Feature 6: Long endurance of about 5 hours Feature 7: Light and stable ,It does not block wearing glasses
