Zealot S67 60W Karaoke Bluetooth Speakers With Wireless Microphone

Zealot S67-Plus Portable 60W Bluetooth Speaker Mic with 75W high power output. KEY FEATURES Bluetooth version: 5.0 Battery capacity: 1800mah*8, total 14400mAh Input voltage: 5V/1A Transmission distance: 10m Frequency response: 20Hz-20KHz Signal-to-noise ratio: ?90dB Working voltage: 7.4V Distortion: 1% Charging port: Type-C Playing time: 40 hours Standby time: >90 days Charging time: 6-10H (different charger adapter has different time)