Brand Name: SYPVRY Style: Headphone Vocalism Principle: Hybrid Technology Origin: Mainland China Active Noise-Cancellation: Yes Material: Plastic Material: Leather High-concerned chemical: None Control Button: Yes Communication: WireLess Volume Control: Yes Category: Earphones & Headphones Number Of Drivers: 2 Plug Type: None Impedance Range: up to 32 Ω Sound Isolating: No Waterproof: No Frequency Response Range: 20 - 20000 Voice assistant built-in: Yes Wireless Type: Bluetooth Package List: User Manual Package List: charger Package List: Charging Cable Package List: USB Type-C Adapter Resistance: 32 Weight[g]: 150 Earcups Type: Open-back Bluetooth Version: 5.3 Battery life up to[hours]: 16 Charging Method: WireLess Support APP: No Battery Capacity[mAh]: 180 With Microphone: Yes Choice: yes semi_Choice: yes