Finebro headphones for sale (brand new, never used)

• Bluetooth: BT Version 5.0 • Range: up to 10 meters • Headphone sensitivity: 103 dB ± 3 dB • Frequency range: 20Hz – 20KHz • Impedance: 16Ω • Continuous playback: approximately 5 hours (depending on volume level ~80%) • Total playback with case: up to 25 hours • Case battery capacity: 400mAh • Charging via case: charges the headphones approximately 5 times • Headphone charging time: about 1 hour • Case charging time: about 2 hours