SP-70 Sound Bar Cool Bass series portable blue tooth speaker . It offers great sound quality . It is a comprehensive portable Bluetooth speaker with HD sound quality. It can be easily fitted into a backpack, suitcase, handbag, or a travel bag and it is powered by a 2400mAh rechargeable Li-ion battery that offers up to 4 hours of continuous playtime. It is compact and portable, so keep your music pumping wherever you go. You can connect it to your smart phones and tablets and enjoy up to 4 hours of playtime. Radio, Built-in Microphone.