Charging device for electrically charging a wireless earphone, connection device, plug device and charging system

Abstract

Charging device (10) for electrically charging a wireless earphone (16), comprising a housing body (11) in which a charging device (21) is received, wherein the charging device (21) comprises a battery storage (18), a first electrical interface (22) and a second electrical interface (23), and the housing body (11) has a receptacle (14) into which a shaft (15) of the wireless earphone (16) can be inserted such that the first interface (22) connects the battery storage (18) of the charging device (21) to a battery of the wireless earphone (16), and the housing body (11) has a coupling section (17) which can be inserted into an external charging unit and / or external coupling unit (32) such that the battery storage (18) of the charging device (21) can be connected to a power source (31) via the second interface (23).