Hisonic HS122BT-HL Portable and Rechargeable PA System with Dual Wireless Microphones & Bluetooth Connection Compact size & lightweight with built-in rechargeable & replaceable high-capacity Lithium battery, ideal for outdoor use Built-in VHF wireless microphone system featuring one handheld microphone, one belt-pack transmitter with the options of either a lapel or a headset microphone for hands-free applications Award-winning 2.4G BlueTooth technology enables wirelessly streaming music from devices such as your mobile phone, notebook, iPhone or iPad with Bluetooth enabled devices Powerful 40 watts speaker delivers loud and clear sound even in a noisy environment Microphone input available for additional microphone hook-up and auxiliary input for wired connection with an external audio device, for example, an MP3 player