RC-BC29 small  bone conduction transducer 8ohm 0.5W,MAX 1W
 

 USB bluetooth 5W MP3 player with chargeable for teddy toy
plush toy sound module bluetooth MP3 player for teddy toy bluetooth electronic device for plsuh toy

 bone conduction transducer RC-BC16 

 20W stereo amplifier SL-A08-A  bird sound player

RC-BC23 9.5ohm small size bone condutor for headphone

 RC-BC28 10ohm 1W bone conduction speaker for sport headphone

 RC-BC31 bone conduction transducer for wearable products

 RC-BC27 8ohm 0.8W bone conduction transducer 

 RC-BC22A Bone transducer 8Ω1.5W

 9.5ohm 0.15W bone conduction transducer for headphone.with small size

 MAX9744 2*20W class D Amplifier board @8ohm sopport software debug

2*15W Bluetooth 4.0 Exciter Soundsystem with transducer