JR Portable USB Charging gradient light will play alone with music wireless Bluetooth Speaker with hand free function Support TF Card/MP3 Player work for IOS/Android for Samsung, Iphone (Gold) STRONG AND HIGH FIDELITY TONE: - Can play the super low frequency dynamic bass rich music effect EASY SETTING: - Bluetooth to connect of your smart phone/ computer PHONE SPEAKER FUNCTION:- Connect your smart phone can bring the clear calls for you GRADIENT LIGHT: Will tracking the music beats bring the colorful life to you SHARE THE MUSIC TO YOUR FRIENDS: -The user can share the pure music to other friends on everywhere