[DETAIL] Battery properties: Rechargeable battery Rechargeable battery: Lithium battery - polymer Headset function: Sports and exercise Control type: Media control Earmuff style: semi-open Age range: Adult Microphone type: Condenser microphone Compatible devices: Mobile phones Wireless properties: Includes the Wi-Fi function Product charging port: type-c port charging Whether coordinated fast charging is supported: No Includes a charger: No Maximum rated power: 5W Minimum rated power: 1W Power supply: USB charging Operating voltage: 36V and below [ATTRIBUTES] - Hign-concerned Chemical: None - Material: Plastic - Sound Isolating: No - Hign-concerned Chemical: None - Material: Plastic - Sound Isolating: No - Category: Earphones & Headphones - Number Of Drivers: 1 - Headphone Pads Material: Memory Foam - Impedance Range: up to 32 Ω - Waterproof: No - Plug Type: None - Active Noise-Cancellation: Yes - Volume Control: Yes - Vocalism Principle: Bone Conduction - Wireless Type: Bluetooth - Communication: WireLess - Style: Tws in-ear headphones - Origin: Mainland China - Brand Name: BERTALANFFY