Gramofon - WiFi Music Player for your Speakers (Featuring Spotify) Gramofon is a Wi-Fi device that connects to your existing sound system and allows you to stream music from apps on your smartphone. Gramofon works with Wi-Fi rather than Bluetooth, enabling it to play music with no interruptions from phone calls, consume less phone battery, connect with multiple smartphones at once so that other people can easily play music from your speakers. Gramofon currently supports music service Spotify (using Spotify Connect, a Spotify Premium feature). More music services will be available early 2015. Gramofon streams music directly from the music apps you use. No need to download a separate app, use your music apps to control the songs you play and keep enjoying the in-app features you use. Gramofon connects to your sound system with an audio cable (jack to RCA included). It comes equipped with a 5V/1A Charger, and Wi-Fi 802.11b/g/n. The dimensions are: 3.14 x 3.14 x 1.65 inches/80 x 80 x 42mm,Look into the user manual given below for troubleshoot steps.