Portable bluetooth speakers

Main function:Bluetooth,Aux in,TF

Product material:Plastic case

Bluetooth :2.1+EDR/2.4G

Speaker :40mm4Ω/3W  

Rated frequency:Double track 6 w

Battery :3.7 V  350mah

Play time:2-4hour

Transmission distance:10M

Product size:Φ65*H78mm

Net weight:164.5

Signal to noise ratio:≥65 db

Speaker interface:MICRO USB

Color:black,grey.green

Certification:BQB

Box size:65*65*99MM 
QTY/CNT: 50 pcs
Carton size: 348*344*218MM
N.W/G.W: 8.5/10 KGS

20"ft:  53,000PCS
40"ft:  107,000 PCS
40"HQ: 130,000 PCS