SHIDU S298 Portable Voice Amplifier for Teacher with Microphone Headset, 2000 mAh Personal Speaker, Rechargeable Support MP3 LED Screen for Teachers, Tour Guide, Coaches, Classroom (Black) (S298)

【Portable Voice Amplifier】Portable voice amplifier with microphone headset can receive and deliver your voice clearly with none background noise or distortion. 15W Output Power, can easily amplify your voice as much as 12000 sq ft clear, crisp.
【Portable Compact Design】Our personal voice amplifier for coaches is super lightweight and portable. Only 9.2 oz with handy size and easy to carry. You’ll be able to put it to your pocket, take in hands, or hang it around your waist with waistband.
【Rechargeable Voice Amplifier】Our portable mini voice amplifier for teachers is built-in 15W Loudly Rechargeable 2000mAh battery, only takes 3-4 hours to fully charge with a micro-USB charging cable but it will probably regularly work 5-6 hours.
【Upgraded Voice Amplifier Headset Microphone】Lightweight and comfortable, portable voice amplifier for teachers with microphone headset for speaking. In comparison to the last generation, This ergonomic design speaker headset microphone is more lighter, stable and flexible. Supports 270° rotation, You’ll be able to adjust it to the most efficient voice pick-up position.
【Multi-functional Voice Amplifier】This personal voice amplifier for teachers with microphone headset can also work as a speaker and music player with TF card/USB driver. It is easy to be worn around your waist with the belt or tuck into your pocket, and there may be a Clear digital display.