NOTICE: If you choose China regist post air mail free shipping and the order less than $30 ，for the low profit .The package will send via Hongkong post without tracking .The China post tracking number is invalid .please make sure you can accept it before making the order.Thank you .We are honest seller .after the order made will send out in 1-2 days .please be patience and don\'t worry，hongkong post is very safe ，deliver time about 15-30days ( 30-60days to Brazil ) ，sometimes need a little more by accident .if the deliver time not enough .please contact us ，We will extend for you .Thank you so much.
Bluetooth receiver digital amplifier
Audio input modes: Bluetooth Audio Receiver
Amplifier output power: 2X3W
Driving the speaker impedance: 4-8 ohm
Power Interface: Micro USB socket (USB charging cable connected computer can be powered charging treasure USB 5V)
Output Interface: 2.54 gauge needle seat 4