... bluetooth speakersOutput(RMS):60WSound system:stereoSpeaker’s diameter:40mmSound control :togglePlayback media:mobile,computer,tf cardTechnology standard:bluetooth v2.0 ... 520 with the latest Bluetooth 2 standards, support stereo Bluetooth, support iPhone, iPad and so support stereo Bluetooth function of the ... interface design, and built-in lithium battery, support for music playback time can be up ...