Multiple mode electrical supply device for cordless headset, has integral current control circuit in headset supplied by battery set and used for switching supply on and off

摘要

The headset (1) enables bi-directional cordless radio communications with portable communications devices via an antenna (13) and has a battery set (14), at least one groove on one side and an integral current control circuit supplied by the battery set for switching the supply on and off. The portable communications devices can be selected from mobile telephones and telephones used in vehicles.