New KA-YEL Sports neckband Y-04

Description

-It is wireless version V 5.0 -Working distance up to 10M -Impedance 32 lamda -Driver 10mm -Frequency response 20Hz-20KHz -Speaker sensitivity 95+-3db -Music time up to 24H -Talk time up to 24H -Stand by time up to 100H -Charging time about 2H -Battery 400mAh