Portable Amplifier Rechargeable Noise Reduction Wireless Bluetooth Voice Amplifier for Teacher Tour Guide Speaker

Feature: 1. Wireless Bluetooth: Features fast auto pairing and steady audio streaming. The clip on microphone allows free movement during teaching, speeches and outdoor events for convenient portable PA amplification. 2. Noise Reduction: Advanced chip captures natural voice and suppresses background noise and echo. It delivers clear balanced sound to reduce vocal fatigue, well suited for teachers and speakers. 3. Reliable Battery Supply: This wireless Bluetooth microphone amplifier comes with a built in 4500mAh battery for up to 40 hour working time, and the 150mAh wireless mic offers up to 10 hour runtime per full charge for all day use. 4. Anti Howling and Flexible Mic Switch: Digital anti howling technology brings louder volume with lower power draw. Detachable wireless mic can quickly shift to wired mode once power runs out to avoid service interruption. 5. Handy Multi Player Design: Compact and user friendly unit. It works with FM, memory card and U disk playback, great for tour guides, coaches, trainers and other group scenario users. Specification: Item Type: Portable Amplifier Material: ABS Built in battery of amplifier: Lithium battery 4500mAh Built in battery of transmitter: Lithium battery 150mAh Frequency response: 90Hz 12KHz Signal to noise ratio: more than 65dB Peak power: 8W Battery life: Approx. 15H Speaker impedance: 2 Ohm Charging time: 3 4 hours. Package List: 1 x Portable Amplifier 1 x Microphone 1 x Transmitter 1 x USB Cable 1 x Shoulder Strap 1 x Instruction Manual