Open Ear Earphones with Power Bank are designed for a perfect and comfortable fit, thanks to the practical soft silicone clip. They provide a hassle-free listening experience, allowing you to enjoy music or calls with total comfort. Bluetooth® 5.4 connection and hands-free function. Touch control button integrated in the earpiece. Includes matching charging base with power bank function and a 1200mAh battery, Type-C USB input and output. With internal battery status display and charging cable included (Type-C).In addition, they are manufactured according RoHS standards, and in compliance with the following safety requirements: Power bank overcharge protection system. Complete discharge protection system, which increases the durability of the power bank. Blocking system to prevent short circuits. Constant charging transfer system, in accordance with the capacity of the target device.