Track system
FM
Single volume model
Active passive
Active
BT solutions
(JieLi)
BT version
BT V5.0+EDR
BT range
≥10 meters
Max power
10w
Speaker type
57mm 4Ω10W magnetic all frequency speaker+low frequency diaphragm
Battery
240000mah  18650 3.7V 2000mah*2    
Shutdown storage time
1.5 years(3.7V 60% battery left)
Music time
Over 5 hours
Charging time
4 hours