Product name: RB-M72 Kunagile Series Portable Wireless Speaker
Wireless version: V5.3
Transmission distance: 10M
Frequency response: 80HZ-16KHZ
Impedance: 40
Rated power: 20W
Battery capacity: 2000mAh
Input: 5V, 2A
Drive unit: 50.8mm*2
Standby time: 360 days
Play time: 12 hours
Product size: 330*156*94.5mm
Product color: Black, Blue
Charging time: 3 hours