【Powerful Voice Amplifier】Stable performance with microphone headset and waistband, clear sound. Amplifies your voice and helps reduce strain when speaking for extended periods. 【Features】Compact speaker with stable connection, built-in FM receiver, enhanced signal reception, clear audio output, low noise, supports TF card and USB drive, Bluetooth connectivity for audio playback, intelligent feedback suppression, automatic recognition of MP3, MP4, WAV and other audio formats, song navigation with next/previous track, fast forward and rewind, memory playback function. 【Rechargeable】Personal voice amplifier with LED screen display, rechargeable battery. Up to 22 hours of working time, 3 hours charging time. 2200 mAh battery capacity, long standby duration. 【Convenient】Mini Bluetooth voice amplifier suitable for various situations, adjustable strap for shoulder or waist carry, equipped with metal buckle. 【Application】This portable speaker is ideal for teachers, tour guides, instructors, fitness trainers, and public speakers. Suitable for addressing groups of 50 or more people. Size: 8.4 cm x 9.2 cm x 2.8 cm / 3.31 in x 3.62 in x 1.10 in Package Includes: 1 Portable Voice Amplifier 1 Microphone Headset 1 Waistband 1 Charging Cable Note: Slight measurement variations may occur due to manual measurement and display differences.