Audio Components 18W Waterproof Voice Amplifier Bluetooth Speaker -M808 2 IN 1 VOICE AMPLIFIER BLUETOOTH SPEAKER This is not only a high power (18W) with 3-inch trumpet nice voice amplifier which can project your voice clearly and loudly, but also can be used as a Bluetooth speaker.The Loudspeaker volume is decent and could be intelligible from at least about 262ft away. Supports TWS,FM, recording, loop playback, Aux input, micro SD card and U disk. UPGRADED WATERPROOF IPX5 DESIGN PERFECTLY This Bluetooth voice amplifier is designed with the silicone cases and interface to ensure waterproof, shockproof, dustproof, splash-proof, rainproof, sand-proof. Perfect for everyday indoor or outdoor use such as shower, beach, pool, boat, bathroom, car, office and much more. LONG WORKING TIME BATTERY LEVEL DISPLAY Built-in Rechargeable voice speaker. Built-in 2500mAh, 7.4v big lithium battery which could last for up to 6 hours playtime after fully charge. The battery status will be displayed on the LED digital screen, dont need to worry about running out of battery any more.