Bluetooth Version: 5.0
DC Power Supply: 5V
Output Power: 2 x 3W
Frequency : 2.4GHz 2.49GHz
Signal and noise ratio 89dB
Impedance: 4ohm
Li-ion Output: 3.7V
Lithium Battery Capacity: 400mA
Speaker Unit ( size mm ): 45mm
Charge Time: around 1 Hour
Play Time: Around 2 ~ 4 Hours
Working Distance: 10m
Case Material: ABS + PC
Dimension : 68*62*172mm

Package Include :
1 x Speaker ( 2pcs )
1 x Micro USB
1 x Manual