Bluetooth speakers
Availability: In Stock
Bluetooth version:4.1
speaker: 4Ω/3W
function: BT TF card FM handfree AUX USB
battery capacity:400mAH
Transmission distance :10M
m input :DC 5V
Output voltage:3.7V-4.2V
frequence :80HZ-20KHZ
S/N Ratio: ≥80dB
Output distortion rate≤0.5%
playing time:1.5-2.5hours
charging time:2 hours
Color:black,red, blue,yellow,grey
material:ABS+fabric
Accessory:USB cable , manual
