... as its power source. Lithium-ion batteries are commonly used in electronic devices due to their high energy density, low self-discharge rate, and long cycle life. Battery-powered megaphones typically feature a handheld microphone, a volume control knob,

AUDIO-PRODUCT Public Address, School, Store and Shop, Government... * Strong ABS material * Ergonomic grip design * Digital sound solution * Detachable microphone * Siren alarm mode * Adjust volume control * Record function * USB/TF input supported * Blue ...

...Power Megaphone 6V Recording USB Megaphone Specifications Sporting events Audio mixer loudspeakers 1.Size:140x220MM 2.Function:Talk/Siren 3.10W (D x4 pcs battery) 4.Material:Plastic With these megaphones, the whole crowd will pay attention to you - make large events, such as sport, tours, or demonstrations, easy to organize. The deciding factors: its light weight, ergonomic construction, shoulder strap, and low power

Megaphone MP-101 INSTRUCTION Dry Cell or Rechargeable Lithium Battery All ABS Body, Sturdy Yet Light Weight Built-in Siren, Whistler and Hoot 120 seconds Voice Recording Function Support SD-card, U-disk and Audio Line In Support MP3,WAV SPECIFICATIONS Power Output: 80 Watt Max Voice Range: 0.7 km Power Source: 8 x “D” Cells or D-3 Lithium Battery Operation Battery...

...Megaphone Foldable Bullhorn Handheld Grip Loud Clear Voice Amplifier Loudspeaker 3W waterproof plastic handheld megaphones -Detailed Product Description Dimension: diameter 97xL155mm Power: Rated 3w RMS/5w MAX Function: Talk, Siren, With built-in Microphone Sound Cover Approx:150m Transit Shock Resistant Battery...

...power 12v 7ah 10ah big Children's electric off-road toy Description 390 four-wheel drive motor + 12v10 battery + four-wheel shock absorber + one-button installation of steering wheel + front and rear LED lights, music + Bluetooth + mobile APP + leather seat + swing + hard wheel + simulated instrument panel Free megaphone...