Bluetooth speakers
Availability: In Stock
Solution:BK 4.1
Power output:3W
Function: BT /TF card/ AUX/FM radio/USB /handsfree
Speaker: 40MM 4Ω 3W
BatteryCapacity: 300 mAH
Input:5.0V
Transmission distance :10M;
S/N Ratio: ≥80dB
Frequency Response:20Hz-20KHz
Distortion：THD≤0.5%
Working time:1hours
Charinging time:2hours
Color:black//red/blue Material: ABS plastic +fabric
Accessories:Charging Cable,maual
