Bluetooth 4.2 Technology You can wirelessly stream music from your phone or tablet via Bluetooth. You can also pair the speakerphone with your phone via Bluetooth and use it for your hands-free calls. CompatibilityThe Callisto speakerphone is compatible with the most important brands like Apple, Microsoft , Lenovo, LG, Nokia, Samsung. Simply connect the speaker and you can listen to your favorite music anywhere. Lightweight and compactWith its lightweight and compact design with fabric, it is very convenient to take wherever you go. wish it. Callisto fits in the smallest spaces of your luggage, or you can just take it in your pocket Five options for playing musicChoose from five options for playing music: Bluetooth, AUX, FM radio, microSD or USB and immerse yourself in rich sound with ample bass. Battery - PlaytimeEven with a 400mAh battery, Callisto can play music or be used for hands-free calls for up to 4 hours. Simply connect it via one of the five options and you are free to listen to the music you prefer. Quantity delivered: 1 piece