Just put music on your iphone and it will produce a rich sound. The volume will also increase. You can enjoy better sound quality by turning down the volume of iPhone a little. (It's a W horn, but it's not a stereo. The presence of two horns makes the sound wider.) Compatible with iPhone 5 and later and ipad (It may not fit depending on the case with thickness) Stand diameter 16cm Horn diameter is about 11cm. The horn is made by zelkova The stand is made by camphor tree. Natural oil finish. It cannot be used while connecting the charging cable. ☆ Because it is a handmade product using natural materials, the grain and color of each item will differ. ☆ We will produce after receiving your order. The photo is a sample.