LG OEM MSP100 MSP-100 Stereo Portable Universal Speaker MSP-100: Portable Stereo Speaker for PDA/ Cell phones/iPads (with 2.5mm/3.5mm) Stereo Handsets and Devices. Power Device: Battery charger, Capacity: 500 mAh Run Time (Up To): 10 hour(s), Type: - rechargeable - lithium ion pocket size Portable Stereo Speakers allow you to easily enjoy your music The digital amplifier and powerful speakers provide high quality digital sound!