Perfect Life Ideas Sports Ball Shaped USB Rechargeable External Speaker with Key Ring. For Devices with 3.5 Mm Output Jack - Smartphones, Mp3 Players - Basketball Shape Elegant compact mini portable sports ball shaped speaker works as an external speaker that connects with a 3.5 mm audio cable to your smartphone, mobile phone, cellphone, mp3 player, ipod or other music source with a 3.5 mm audio jack output gives you amplified speakers system for your music from these devices anywhere. 3.5 mm audio cable included. Rechargeable Speakers charges with included USB cable through any USB power source like your computer or laptop. USB charging cable included. Perfect for use indoors or outdoors anywhere you go in your car, in your office, dorm room, home or anywhere else. Has keyring included to attach your keys, and makes it convenient to have them with you all the time, ready for use when needed. Compatible with mobile phones, mp3 players, tablets, computers, smartphones, cell phones or any other music source with a 3.5 mm audio out jack. 3.5 mm audio cable is also included for your ready convenience Size 1.5 diameter approximately. Compact, Portable with keyring makes it convenient to have in your pocket, purse, handbag, pocketbook, briefcase, bag. Great to have when you travel. Ideal for phones, music players, computers, tablets, gaming devices with a 3.5 mm audio jack output using the included 3.5 mm audio cable included. Ideal for small areas, like dorm rooms, apartments, and great for travel where you need a compact mini speaker.