i.Sound ISOUND-5314 1.0 Speaker System - 3 W RMS - Wireless Speaker(s) - Black Type: Bluetooth Portable Speaker Specifications: Driver Size: 1.75 x 1 Power Supply: DC 3.7V/500mAh Power Output: 3W x 1 Play Time: 5 hours at 70% volume Package Contents: Fire Waves Bluetooth Speaker USB Charge Cable Audio Cable Compatibility: Samsung Apple HTC LG ZTE Mobile