The speaker is compatible with any device that supports Bluetooth with the Advanced Audio Distribution Profile (A2DP), including the Intenso MP3 player, provided it supports Bluetooth audio. A direct connection via cable is not provided, as the USB-C port is only used for charging. The charger is not included in the scope of delivery, only a USB-C cable is supplied. You therefore need a separate USB-C charger. The scope of delivery includes the speaker, a bungee (fastening strap), a USB-C cable and a quick start guide.