Belt Blaster Pro Rechargeable Personal Waistband PA Reduces voice stress and strain. Battery-powered mini PA system you wear like a belt, leaving you hands-free. Save your voice! For the teacher, trainer, or presenter, who needs a moderate improvement in her sound coverage and voice clarity - this personal mini PA is your solution. Also great for indoor or outdoor small tour groups. Belt Blaster is easy to use and comfortable to wear, Weighs only 1.5 lbs. Includes headset and lapel mic, acoustic neoprene fanny pack case with 44" belt and 12" belt extender, nylon carrying case, AC Adapter/recharger, and 6 NiMH AA batteries. Volume control. Can also operate with 6 AA alkaline batteries. This system is really great for indoor or outdoor small tour groups, easy to use and comfortable to wear.