The black in-ear headphones come in a chic, magnetic charging case made of plastic and aluminium. The microphone that comes with the headphones is equipped with Environmental Noise Cancellation, which enables crystal clear voice transmission without noise. They support Wireless 5.0, can be used individually and have a range of up to 10m to the paired device. The headphones have a playing time of approximately 5 hours and can be recharged up to three times with a fully charged case (LED charge indicator in the case). - hands-free function- Battery (rechargeable): included- including usb cable- Environmental Noise Cancellation (ENC)- charging indicator- play time: up to 5 hours