Bluetooth speakers
Availability: In Stock
Solution: BK4.1
Power output: 3W
Function:BT
speaker：40mm 4Ω 3W
Battery Capacity:300mAH
Voltage:DC 5V
Bluetooth distance:10M
S/N ratio:≥75dB
Frequency response:250–18K Hz
Distortion：≤0.1% w1K Hz
Working time:1.5hours
Charinging time:3hours
Color:red, golden,silver, green
Material：ABS
Accessories:Charging Cable,manual
