Thank you for viewing! ✓ Instant purchase OK ✓ Free shipping ✓ Limited to one item We are selling products from various genres! #y＊shop ↑↑ Please take a look! ＼　Please understand that items are stored at home and will be sent with simple packaging　／ ＼　before purchasing　／ ⋆---------------------------------⋆ Opened for inspection and photography. We do not usually check the operation of home appliances, etc. ⋆---------------------------------⋆ Please let us know before rating if there are any operational problems. Equipped with a high-sensitivity microphone and professional-grade speaker unit. This provides a clear and distortion-free sound amplification effect. The professional-grade audio processing chip ensures that there is no delay or distortion during sound amplification! The ear hook part uses soft silicone material, which fits perfectly to the shape of the ear and provides a stable and comfortable fit. It will not easily fall off even during intense exercise. Equipped with an adjustable waistband, it can accommodate users with different waist sizes. A back clip is designed on the back to keep the device stable even while moving. One-touch power on/off is possible, and the device can be started or stopped by pressing and holding for 3 seconds. Equipped with a standard 3.5mm audio input terminal, it can be connected to smartphones, MP3 players, etc., to play background music and educational audio. You can quickly switch between amplification mode and mute mode by simply pressing a button! 798 $$4000 Megaphone 15W Portable Megaphone Small Megaphone Ear-hook Microphone 2600mAh Hands-free Speaker Lightweight Speaker Event Conference Teacher Lecture With Japanese Instruction Manual WB007