JR Portable USB Charging Gradient light will play alone with music Wireless Bluetooth Speaker with Speakerphone Function Support TF Card/MP3 Player work for iPhone, Samsung, HTC, Sony(White) 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 and bring the colorful life to you SHARE THE MUSIC TO YOUR FRIENDS: -The user can share the pure music to other friends on everywhere