Foldable ‘Pocket Speakers’ that use USB 2.0 for power, improves the audio experience compared to small, built-in laptop speakers. Excellent condition. These Kensington-brand speakers include the USB 2.0 connecting cable, which is a retractable cable (see photos). This cable extends up to two feet long. These speakers obtain their power from the laptop or other digital device they are connected to; they don’t require batteries. The speakers include their own volume control. $8.00. Note, we communicate via e-mails on Craigslist, not by phone contact, or texting. Thanks for reading our ad.