bluetooth sound system for wall picture flat speaker 2*15W

 Bluetooth V4.0 RGB LED Strip Light Controller 

Bluetooth 2.1 amplifier bard 2*100W

 ultra thin bluetooth amplifier 2*30W for mirror cabinet, home furniture,hotel furniture

 Ultra-thin bluetooth amplifier 2*35W for furniture

 Bone Conducting Transducer Exciter 10ohm 0.1W For Headphone
bone  conduction transducer technology

 4ohm 20W surface sound transducer

 Bone conduction transducer bone conduction driver 8ohm 300mW for earphone/headphone Sunglass

 ultrathin compact bluetooth amplifier 2*15W for bathroom mirror ultrathin furtuniture

 bluetooth flat exciter speaker kits  for paper speakers