VoiceBooster Voice Amplifier 10watts Black MR1506 by TK Products, Portable, for Teachers, Coaches, Tour Guides, Presentations, Costumes, Etc. industrial features an adjustable strap to

features an adjustable strap to fit almost any arm size and a special storage slot for your key and other valuables

Non-combustible for residential applications

and can be pasted without marks

portable and simple one-hand operation

SAFE: FDA-compliant material

VoiceBooster Voice Amplifier 10watts Black MR1506 by TK Products, Portable, for Teachers, Coaches, Tour Guides, Presentations, Costumes, Etc. industrial features an adjustable strap toVoiceBooster Voice Amplifier 10watts Black MR1506 by TK Products, Portable, for Teachers, Coaches, Tour Guides, Presentations, Costumes, Etc. Product Features Small Super Powerful Voice Amplifier Speaker. Size is 3. 75in x 2. 81in x 1. 08in (90mm x 70mm x 27mm) Rechargeable lithium batteries that last 6 8 hours of continuous use before needing a charge. Battery life will last 2 3 years. Very loud, excellent clarity, low feedback. Sound covers over