SHIDU UHF Mini Audio Speaker Wireless Portable Voice Amplifier USB Lautsprecher For Teacher Tourrist Guide Yoga Instructors S611 Are You A Teacher, Anchor, Emcee, Trainer, Tour Guide Or Someone Who Has To Communicate Often With A Large Group Of Audience And Have To Literally Shout To Make Everything Clearly Audible?Or Are You Someone Who Would Love To Sing On A Microphone, Rehearse Speeches Or Just Play At Home With Family Members Or Friends At A Party This SHIDU Waistband Voice Amplifier Saves Your Voice From Yelling Or Shouting Out, You Can Get Through The Day Without Suffering From Hoarseness Or A Sore Throat. It Is A Perfect Voice Aid To Anyone In Meetings, Seminars Or Guiding A Tour Etc. This Lightweight Hands Free Compact Voice Amplifier Design Is Durable And Elegant That Can Be Easily Worn At The Shoulder Or Waist Without Causing Any Discomfort. Why Choose Us: Ultra-Portable Design Of Loudspeaker - Can Be Worn Around Waist With The Help Of A Waistband Comes With An Advanced Microphone That Offers Crystal Clear Sound Loud Enough With 10 W Output - Ideal For Group Of 10-50 People Lightweight, Stylish And Sleek In Design Can Work As Speaker For Mobiles, Computers, s Tablets With The Help Of Included Aux Cable Supports USB Flash Drive Nd-Fe-B Magnet Trum Which Is King Of Clear Sound Ensures Strong Penetrating Power Sound And Wide Coverage Specifications: 1. Output Power: 10W 2. Charging Voltage: DC5V, 500Ma 3. Lithium Battery: 2000Mah 4. Working Time:With 50% Volume 8~10 Hours (Musical Mode); 12~15 Hours (Wired Mic Mode) 5. Charging Time: 3~5 Hours 6. Product Size: 108*88*37mm 7. Unit Weight: 251g 8. Available Color: Blue, Black, Rose Red 9. Working Temperature: -10℃~45℃ 10. Frequency Response: 90Hz~18Khz 11. Wireless Distance:30-35M Main featuers: 1. Shidu Patented Apperance; 2. Stylish, Ergonomic And Comfortable Design; 3. Adopt Uhf High Frequency Wireless Pa Technology, Transmission Distance Up To 35M; 4. Adopt Hi Fi Double Magnetic Trum --- Powerfully Treble And Bass, More Fuller Tenor; 5. Adopt Shidu Original Sound Amplification Electroacoustic System; 6. Imported Microphone, Inligent Circuit IC; Maximum Inhibitory Echo Problems; 7. Super Mp3 Audio Decoding --- Support TFCard & USB Disk; 8. Uhf Wireless Microphones With Inligent Power Saving Function. Standard Package: 1 * Main Machine 1 * Waistband 1 * UHFWireless Microphone 1* USBCabel 1 * User Manual ​