Portable Bluetooth Speaker, Oittm Wireless Bluetooth 4.0 Stereo Speaker with 6 Pulse Colorful LED Light Modes Built-in Microphone Support Hands-Free Function (Black) Party Necessity and Travel Companion: Suitable for all kinds of party and travelling. High-quality sound brings you and your friends a high emotions, Dynamic lighting makes the environment and state to reach the top of the excitement. Music Lighting Show: Featuring 6 Pulse Colorful LED Light Modes, whether it's hiphop, rock, classical, soft music, blues or pop music, you can find a perfect matching light mode, bringing you the most enjoyment of Visual and auditory feast. High-quality Sound: Using 1.6-inch 28W, 19-core high-power high-strength magnetic full-frequency speakers; Enchanting HD sound comes from Unique acoustic structure of sound chamber design and perfect sealing; Extra large bass radiator makes the Heavy bass sound stronger. Dynamic Fashion Appearance: Full touch keys, sensitive sensors, easy to operate; Space grey gives you a visual feast of gorgeous metal texture; made of polymer plastic and metal mesh, unique crafts, dynamic appearance, Portable for outdoor. Long Standby:3600 mAh rechargeable Li Battery enables an 5-8 hours of playtime on a single charge.