Neck Speaker 4 B149 (3) Neck Speaker 1 Neck Speaker 2 Neck Speaker 3 B149 (1) *Version:JL 4.0 *Output:3W*2 *Frequence Response:90-20k HZ *S/N ratio:70DB *Input:DC 5V *Speaker:36CM 3W*2 *Play Time:5H *Material:ABS *Battery Capacity:800mAh *Weight:374/400G Contact USName *FirstLastEmail *Comment or Message *MessageSubmit Share this postFacebookTwitterGoogle+PinterestLinkedIn