Volkano Cosmic Series 2.0 Bluetooth Headphones - Nude

Bluetooth Version:   5.4
Bluetooth Distance:  10m
Sensitivity:  105dB
Battery:  200mAh
Driver Size:  40mm
Charging port type:  type C
Charging Time:  1.5hours
50% volume Playing Time:  20hours
100% volume Playing Time:  18hours
Hands Free Calling 
Compatible with Siri and Google Assistant