Rechargeable Wireless Microphones and Receiver: The microphone and receiver feature built-in rechargeable batteries, eliminating the need for additional AA batteries. Easy to Use: Volume adjustment and channel changes are controlled directly from the microphone. Great Sound Quality: These wireless microphones deliver clear, crisp audio with no distortion, ensuring excellent sound reproduction. Ideal for indoor or outdoor use, they are perfect for home karaoke, live performances, duets, and public speaking. Operating Range: Up to 50 meters in open areas, providing reliable signal transmission with minimal interference, ensuring uninterrupted performance. Suitable for various events such as family karaoke, gatherings, weddings, meetings, and presentations. Color: Blue Material: ABS + Alloy Package Contents: 2x Microphones 1x Receiver 2x Rechargeable Batteries (18650-3.7V) 2x Cotton Tips 1x Charging Cable 2x Anti-Slip Rings 1x 3.5mm Adapter 1x English Instruction Manual Note: The package includes only the items listed above. Other accessories or products are not included. Note: Lighting effects and display settings may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.