Logitech Wireless Speaker Z515 For PC MAC MP3 iPad or iPhone Unchain your music. You can place your speaker wherever you want-up to 50 feet (15 m)* away from your laptop, iPad or iPhone. Dual two-inch drivers and plenty of bass let you hear your music loud and clear-even from across the room. Watt Learn more about audio terminology and what it means for you. Learn more. You can listen longer without surprises thanks to the 10-hour** rechargeable battery and battery-life indicator light. You'll be up and running in seconds with no wires or software. Either plug the included wireless adapter into a USB port, or easily pair your speaker with your iPad or iPhone. This compact speaker doesn't take up much room on your desk or bookshelf-or in your laptop bag.