This products works really good. The sound itself takes at about 5 seconds and after that a really realistic echo follows. I'm using a 2S (7,4V) LiPo and the sound is loud enough. I would buy this product once a again, if I needed a 2nd. Regards Benni

This products works really good. The sound itself takes at about 5 seconds and after that a really realistic echo follows. I'm using a 2S (7,4V) LiPo and the sound is loud enough. I would buy this product once a again, if I needed a 2nd. Regards Benni

This products works really good. The sound itself takes at about 5 seconds and after that a really realistic echo follows. I'm using a 2S (7,4V) LiPo and the sound is loud enough. I would buy this product once a again, if I needed a 2nd. Regards Benni

bonjour l'article que aveis m'a envoyé est cassé et il ne fonctionne pas j'espère une réponse de salutation

hola el artículo que me aveis enviado está roto y no funciona espero respuesta un saludo

bonjour l'article que aveis m'a envoyé est cassé et il ne fonctionne pas j'espère une réponse de salutation