WS-887 Bluetooth Speaker with Powerful Rechargeable Battery. It is compatible with laptops, MP3/4 devices, TF/USB Flash Drive, Mobiles/Smartphones, or any audio device that has Bluetooth functionality or has a 3.5mm jack input. Bluetooth Multimedia Speaker System with Mobiles/Smartphones/Tablets/ Computer/Laptop/Pen Drive / SD Card (with compatible phones). Performance gives excellent audio output when you are enjoying your movies in your own comfort. With the Bluetooth, it sends good interference-free performance, high data rate, high quality and efficiency. Did we mention it comes with a Built-In Microphone.