high sound quality wireless Bluetooth sport headphone handsfree

high sound quality wireless Bluetooth sport headphone handsfree

Specification of wireless
Wireless version:V4.2
Operation distance:10M
Specification of Headphone
Type:stereo headphone with MIC
Speaker:40mm
Sensitivity:115dB at 1k Hz
Impendance:32ohm
Frequency response:20HZ-20KHZ
Rated Power:2 X 20mW
Rechargeable lithlum battery:250mAh

Model:UKT-460L