C22 Karaoke Wireless Speaker

C22 Portable Karaoke Wireless Speaker with Microphone and Shoulder Strap Parameters: 1. Bluetooth Version: 5.1 2. Transmission Distance: 10m 3. Battery Capacity: 3.7V 1800mAh (Speaker), 350mAh (Microphone) 4. Charging Time: 3-4H (Speaker), 1-2H (Microphone) 5. Speaker Size: 52mm 6. Playback Duration: 2H-4H 7. Frequency Response: 60Hz-20kHz 8. Sensitivity: -45 +- 2dB 9. Material: ABS + Electroplating 10. Output: DC 5V 1A 11. Dimensions: 111x87.5x55mm (Speaker), 64.5x23x17mm (Microphone) Features: 1. Using high-power speaker + bass diaphragm design, the sound is thick and textured 2. 360-degree shocking surround sound effect, experience as if you were on the scene 3. Professional HiFi sound, Pro-grade full-range speaker driver, composite diaphragm, intelligent noise reduction. 4. Cool lighting effect design, a variety of lighting changes, bring you a relaxed and pleasant music atmosphere 5. Built-in Large-capacity battery, to meet the needs of daily use, long-lasting battery life 6. Equipped with two wireless microphones, you can enjoy karaoke with family and friends