Model: B50Products: Bluetooth card speakersFunction: bluetooth connectivity， TF， U disk， external MP3， computer and other audio products.Built-in 1500 mah batteriesProduct size: 225 * 80 * 80 mmColors: black/white/red/blue./PinkPackage Include:1x Bluetooth Speaker， 1x USB Cable， 1x 3.5mm Audio Cable， with retail box.Attentions:1. Several colors for your choice.Pls tell us colors you want， or else will dispatch it randomly.2. If some color is out of stock temporarily， we will replace it and inform you timely.