Bettencourt Foldable wireless headphones with ANC and 15h of autonomy on recycled ABS (100% rABS)

Foldable wireless headphones with active noise cancellation (ANC), so you can focus on the main tasks of your day or relax listening to your favourite music without external noise. The headphones can also be used via an audio cable. Material: recycled ABS (100% rABS) Type: over-ear Wireless transmission: BT v5.3 Capacity: 400 mAh Approximate autonomy: 15 h Approximate charging time: 3 h Input: USB-C, microSD, 3. 5 mm Headphones: Frequency response: 20 Hz - 20 kHz Signal-to-noise ratio: > 90 dB Sensitivity: 85 3 dB Impedance: 32 Speaker diameter: 40 mm Sound power: 10mW Microphone: Frequency response: 20Hz 3KHz Sensitivity: -38 3 dBV/Pa Includes: USB-A / USB-C cable, 3.5 mm audio cable Delivery: in black pouch in kraft paper gift box Dimensions: Flap: 300 x 200 mm