S31-Sound box
Bluetooth version: V4.2
Speaker :4R 3W*2
Resistance:4Ω
F.R.:60Hz-15KHZ
Distortion:≥75DB
Battery: 1200MAh
1.Product size:269*51*69MM
2.Product weight: 560G
3.Colors:Black/Silver/Grey
4.Support TF Carddrive/FM, Aux in
5.Rechargeable Li-ion battery; charging port: Micro USB;
6.play time: 4H