Foldable wireless headphones

Product description:

These are ergonomic headphones that are not only comfortable, but also
comfortable. They have noise reduction features and are foldable which makes
them easy to store. On top of that, they have an adjustable band to fit your
head from 19-21cm in size.

These technical headphones have a built-in microphone for hands-free
functionality and use Bluetooth 5.3 for wireless connectivity up to 10m away.
The headphones are rechargeable and come with a USB-C cable for quick and easy
power-up.

Specifications:

1. Type: Headphone with headband
2. Design: Ergonomic
3. Upholstery: Yes
4. Noise canceling function: Yes
5. Foldable design: Yes
6. Adjustable headband: 19-21 cm
7. Built-in microphone: Yes
8. Bluetooth version: 5.3 (2.402 – 2.480 GHz – 20 mW)
9. Bluetooth range: up to 10 m
10. Power type: USB rechargeable
11. Battery type: Li-Ion
12. Battery capacity: 200 mAh / 0.74 W
13. Charging time: about 120 minutes
14. Battery life: about 120-480 minutes
15. Input type: Aux input
16. Compatibility: iOS and Android
17. Speaker impedance: 16 Ω
18. Total Harmonic Distortion (THD): 1-3%
19. Sound pressure level (SPL): 100 ± 3 dB
20. DC input: 5 V / 500 mA / 0.5 W
21. Dimensions: 17.5 x 19-21 x 8 cm