1. Long-lasting battery life: Our rechargeable wireless microphones provide long uninterrupted battery life, perfect for long events and parties2. Versatile: Designed for a wide range of uses, these microphones are ideal for karaoke, public speaking, and home entertainment systems to enhance your audio experience3. Advanced connectivity: Using advanced wireless technology, a stable and reliable wireless connection ensures clear sound quality at all times4. Package includes: 2 wireless microphones, a compact and portable receiver, charging cable, everything you need for quick setup and easy useWorking distance: equal 50MSignal-to-noise ratio:72DBDistortion:0.5%Working temperature:-10C-50CWorking voltage:3.7V(The product appearance and printed words depending on the batch, but this does not affect use)Color: As shownMaterial: Plastic+MetalPackage Contents:1 * Microphone KitOnly 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.