Portable Voice Amplifier Bluetooth New in Box Reasonable offers Welcomed 30W 2800mAh Bluetooth With a power output of 30W, it delivers clear and soft sound that can cover an impressive area of about 20,000 sq.ft (1000 ㎡), making it ideal for large rooms or outdoor settings. Bluetooth Voice Amplifier - Not just an amplifier, this device also doubles as a portable Bluetooth speaker. Stream your favorite music wirelessly from any Bluetooth-enabled mobile device, with a range of up to 33 feet.  Fast Shipping Weight 2lb P1/B2