1.Output power:4R 3W THD=10%
2.Frequency response:160-20KHZ
3.Input voltage:5V
4.Signal to radio ratio:≥70 dB
5.Connection radius:≥10M
6.part size:59.5*56.2mm
7.Charge period: 3 hours
8.Endurance;4hours
9.Standard Color: Black / Blue / Yellow / Pink
