Hoco EW04 Plus True Wireless BT Headset – White

Name: Hoco EW04 Plus True Wireless Headphones,
Frequency range: 20 – 20,000 Hz,
Active noise reduction: Yes, with active noise cancellation,
Type of fastening: No mount,
Impedance: 16 Ohm,
Material of ear cushions: Silicone,
Headphone sensitivity: 80 dB,
Microphone design: Built into the headphone body,
Charging time: 1 hour,
Operating time: 3 hours,
Radius of action: 10 meters,
Bluetooth version: 5.0,