Supersonic Wireless Bluetooth Speaker (blue) Car Audio Receiver if the products have some

if the products have some problems

then audio can be played in sync on both devices with double enhanced stereo sound

3 seconds， and then the earphone LED will tum off

Loudspeaker: 2 inch+ Suspended conjoined passive radiator

Bluetooth(R) V4

Supersonic Wireless Bluetooth Speaker (blue) Car Audio Receiver if the products have somePackage: 1 EaWireless speaker with rich stereo sound One 5 in. + two 2 in. built in speakers Full range speaker and passive radiator delivers extra bass Lightweight and portable Bluetooth(R) V4. 0 compatibility allows audio system to work with Bluetooth(R) enabled devices USB, microSD(TM) Card, aux, and microphone inputs FM tuner Output power: 16 watts Operating voltage: DC 5 volts 3. 7 volt, 2,400 mAh rechargeable battery AC output power: 110 volts