If you lead tour groups or seminars for up to 50 people, or simply have strained vocal chords and need assistance with greater projection, this personal PA can help. It includes a lightweight headset mic and can connect from other audio sources with its 3.5mm aux input. The VoiceSaver™ can be mounted on a tripod and functions for 6-8 hours on a single charge with a 9V rechargeable battery.