Features: 1. 2.4G Wireless Microphone, 2.4G Wireless Communication, Automatic Pairing Mode (Insert And Play)2. High Quality, Clear Sound, High Anti-Interference Ability (No Noise)3. Long-Distance Signal Transmission, Signal Transmission And Reception, Wear-.4. Suitable For Audio And Voice Amplifier Speakers With Auxiliary Input Port5. Suitable For Teaching, Tour Guides, Sales Lectures/Introductions, Speeches/Meetings/Assembly Areas, Meetings/Announcements/DiscussionsDescription:1. Material: Plastic + Metal2. Built-In Battery Capacity: 300 Mah3. Type: Teaching Loudspeakercolor: BlackPackage Contents:2 x Transmitter2 x Receiver2 x Head Mount2 x Adapter2 x Charging CableNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The UseOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.