Kingstar Portable RGB Speaker Wireless Music Amplifier Speaker Home Party Music Box Subwoofer

Bluetooth version: V5.3
Wireless transmission range: 10M
Noise ratio: ≥ 90db
Battery capacity: 1500mAh
Built in voltage: 3.7V
Normal volume playback: 3H
Speaker specification: 45mm * 2
Speaker power: 4 Ω/5W * 2
Frequency response: 100HZ-20KHZ