The Bone Horn Stand is the original acoustic sound amplifier and the award winner of Red Dot and iF Design Award 2011. Made from soft-touch lightweight silicone material; compact, portable, and easy to carry on the go. Supports both portrait and landscape orientations; convenient for use with FaceTime, Podcast, conference call, music and video. Amplifies the volume of speaker output up to 13dB or approximately twice as loud to the ears without using electricity. Designed ONLY for iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 11 Pro Max, iPhone 11, iPhone XS Max, iPhone XR, iPhone 8 Plus / 7 Plus / 6 6s Plus *CANNOT USE WITH PHONE CASE, PLEASE TOOK OFF THE CASE.