Brand Name: Lenovo Style: In-ear Vocalism Principle: Dynamic Origin: Mainland China Active Noise-Cancellation: Yes Material: Plastic High-concerned chemical: None Control Button: Yes Communication: True wireless Volume Control: Yes Category: Earphones & Headphones Certification: CE Number Of Drivers: 2 Plug Type: NONE Impedance Range: up to 32 Ω Headphone Pads Material: Other Sound Isolating: Yes Support Memory Card: No Waterproof: No Frequency Response Range: 20 - 20000 Magnet Type: Other Voice assistant built-in: no Wireless Type: Bluetooth Line Length: 0 Package List: User Manual Package List: Charging case Package List: Charging Cable Driver Diameter: 13 Resistance: 32 Sensitivity: 92 Is wireless: Yes Weight[g]: 100 NFC Technology: no Connectors: Type c Earcups Type: Sealed Bluetooth Version: 5.3 Battery life up to[hours]: 24 Total Harmonic Distortion: 1 Charging Method: Charging case Max Output: 10 Support APP: No Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Battery Capacity[mAh]: 250 Maximum wireless range[m]: <10m With Microphone: Yes Features: Waterproof Features: With microphone Features: Active Noice Cancelling Choice: yes