Style: In-ear style Principle of Vocal Music: Dynamic Origin: Mainland China Active noise cancellation: yes Material: silica gel Control button: Yes Communication: true wireless Volume control: Yes Category: Headphones and headphones. earphone Certification: CE, FCC Number of drivers: 2 people Impedance range: up to 32 Headset material: memory sponge Sound insulation: Yes. Waterproof: Yes. Frequency response range: 20-20000 Hz Wireless type: Bluetooth Line length: 0m Packing list: user manual, charger, charging cable, USB Type-C adapter, replaceable pad kit. Codec: AAC, Apt-X, sbc, LDAC, Apt-X HD Resistance: 32 ; Sensitivity: 42dB It's wireless: Yes. Weight [g]: 6 Connector: Type C Bluetooth version: 5.3 Battery life up to [hours]: 150 Total harmonic distortion: 1% Charging method: cable Maximum output power: 132mW Supported applications: Yes Functions: ordinary headphones, mobile phones, HiFi headphones, sports headphones, children's headphones, hearing AIDS, outdoor, office, sleeping, learning. Battery capacity [mAh]: 400 Maximum wireless range [m]: 10m-20m With microphone: yes Package list: 1 pair of headphones *