Wireless, handy headphones, thanks to the perfect fit to the ear, do
not allow you to feel discomfort even after many hours of use. They
use Bluetooth connectivity, making them perfect for listening to music
as well as for making calls, thanks to the built-in microphone. The
headset comes with a portable case, so your headphones will always be
charged Specification: * Bluetooth version: V5.3 chip JL AC6973
* Battery capacity: 300 mAh (charging case), 30 mAh (headphones),
* Talk time: 4 hours
* Standby time: 150 hours
* Total weight: 35.6 g