Bluetooth 4.2 headphones - MicroSD slot for MP3 - with Microphone

The headphones are very comfortable to wear, they do not move even when doing sports, thanks to the support on the nape of the neck
The bluetooth hooks up to the phone very quickly, the reproduced sound is of good quality with Surround and Noise Reduction.
The ability to adjust the volume directly to the headphones is very convenient.

Sources selectable by the M key:
- Source from Bluetooth
- SD Card slot for MP3 (not included)
Key for rapid call to the last telephone number

Bluetooth 4.2 Chip - Multipoint for 2 Phones
120mAh battery for 6-8 hours playing time
Full charge time 1.5 hours. StandBy 170-200 hours
CVC6.0 noise reduction system
Response frequency 10/20000 Hz

Dimensions:
Earphone diameter 37mm
Earphone thickness 13mm
Weight 37 grams