Reduce vocal strain and stress with this handy personal PA system that's ideal for teachers, trainers and presenters. Lightweight and comfortable, this unique "fanny-pack" unit weighs only 1.2 lbs. on your waist. With five watts of power, this go-anywhere unit is perfect for indoor or outdoor use. Easy-to-use amplifier features a simple volume control with a built-in on/off switch. Durable 40" neoprene belt with 12" extension is easy to adjust and sweatproof. Rechargeable NiMH power pack delivers up to 14 hours of continuous talk time. Voltage: 9.0 V; Power Source(s): 6 AA Batteries.