Wireless transmission range :10M
Audio noise ratio :> 90db
Battery capacity: about 1200mAh
Built-in voltage: 3.7V
Normal playing time: turn off the magic LED for about 3H (depending on audio content and volume)
Horn size: 457mm *1
Speaker power: 4 ω /5W*1
Frequency response: 120HZ-20khz
Size: 111 * 111 * 87 mm
Single weight: about 332G (single)
Charging voltage :5V/500mA
Charging time: about 4H
