Say Goodbye to Voice Strain—WB005 Bluetooth amplifier with a wireless lapel microphone, designed for those who value clarity and portability. With a powerful 15W output, this speaker ensures your voice is heard loud and clear, with no screeching or distortion,whether you’re teaching, presenting, or entertaining. This portable voice amplifier is a Teacher’s Dream. Compact Clip-On Design:The wireless lapel microphone only weights 18.3g/0.64oz,making it more lightweight compared to other brands' lavalier microphones, it can be handheld or clipped, providing flexibility for different speaking situations and ensuring excellent amplification. Long Battery Life: Portable voice amplifier built in 2600mAh rechargeable battery that could get up to 12-15 hours of voice amplification on one charge, perfect for teachers and presenters. wireless clip on microphone support 10+ hours. Both them are be charged quickly with the included Type-C charging cable