... .supports ipads,iphone,sumsung , 3.built-in lithium battery Wireless bluetooth speaker,mini,portableSpecification* Power: 3W * Signal To Noise Ratio: >80dB* ... 4G, iPad, Droid (with latest operating platform) and other bluetooth devices *Inbuilt lithium battery with 3 hours working time*Aluminium ... to answer inquiries. Contact us now.Thank you! wireless bluetooth speaker,Aluminum ,portable (SP-020)