3.5mm Audio AUX Jack Wireless Bluetooth Car Speaker Audio Receiver for Car Music

Hands free auto aux kit for speaker headphone car stereo music audio receiver adapter universal 3.5mm jack Bluetooth car kit hands free Wired becomes wireless
Solve the problem of devices without Bluetooth function such as
cars, TV computers, projections etc, and radio Bluetooth wireless transmission

PRODUCT PARAMETERS
Bluetooth version : V4.1 + EDR
Receiving distance : 10 meters
Talking time : 4 meters
Continuous music playback time : 4 hours
Charging time : 50 minutes
Microphone sensitivity : +/- 42db
Output power : 30nw
Range of frequency response : 20Hz-20kHz
Multi function Button
Middle button answer or hang up call or purse
Left button volume-/previous song
Right button volume+/next song