D20 Multifunctional K Song Bluetooth Speaker With Microphone

1. Delicate stereo system, restore the original sound 2. One key to eliminate the original sound function 3. Shocking bass, bring home the KTV 4. Widely compatible, support major mainstream APP 5. Three modes of play, Bluetooth / card / headphones 6. High and low tone adjustment allows you a wider range of sound, better sound quality 7. Material: ABS 8. Function: voice change: doll sound, magic beast sound, eliminate the original sound 9. Product size: 90.4 x 65 x 75.5mm 10. Microphone size: 28.8mm x 70.6mm Microphone specifications parameters: 1. Pickup: back-pole condenser microphone 2. Operating voltage: 3.7V 3. Frequency range: 20HZ-20KHZ 4. Battery specification: 1200 mAh 18650 built-in battery 5. Power adapter: DC5V less than 1A (can be used with cell phone charger) 6. Charging time: 3.5-4 hours Speaker specification parameters: 1. Bluetooth version: 5.0 version 2. Speaker diameter: 57MM 3. Speaker power: 6W 4. Operating voltage: 3.7V 5. Frequency range: 20HZ-20KHZ 6. Reverb: echo sound effect reverb 7. Power adapter: DC5V less than 1A (can be used with cell phone charger) 8. Battery specification: 2000 mAh 18650 built-in battery 9. Charging time: about 2.5 hours