1. Reverb Mode: Echo in effect reverb. 2. Material: ABS, Aluminum Alloy. 3. Charging Power: DC5V. 4. Battery Capacity: 1200mAh. 5. Output Power: 10mW (earphone output), 5W (speaker output). 6. Pickup: Condenser type. 7. Bluetooth: 5.3. 8. Frequency Range: 100Hz-10KHz. 9. Size: Approx. 22.1 x 7.6 x 6.2 cm. 10. Weight: Approx. 377 g. Features: 1. Intelligent noise reduction chip, beautifies sound, simulates sound effects, compatible with a variety of K-songs. 2. Bluetooth wireless, strong signal, long range, fast response. 3. Multi-layer automatic noise reduction, reduces noise interference, highlights the original sound, excludes external interference, restores the real singing effect. 4. Three-color filter head, outer/middle layer of dense mesh, inner layer of high-density sponge. 5. Aluminum alloy handle, fine surface treatment, metallic texture. 6. High-performance full magnetic speaker, large cavity design, delivers good sound quality. 7. Uses high-fidelity shielding design to ensure smooth transmission, full sound quality, and large band amplitude. 8. Convertible rhythm lighting, adds atmosphere to the usage. 9. Built-in large-capacity lithium battery, strong endurance, eliminates the need for a power plug.