High tech combination of true wireless earbuds and 2.000 mAh aluminium powerbank. The powerbank can charge both the earbuds as well as your mobile phone on the go. Charging the earbuds takes only 1.5 hours after which they are good to use for up to three hours. Easy connection with BT 4.0 and operating distance up to 10 metres. Input: 5V/1A output 5V/1A.