LuguLake Crystal Ultra-Portable Wireless Bluetooth Speaker with 3.5mm Audio Jack, Built-in Mic - Blue Bluetooth function allows you to wirelessly connect with any Bluetooth Enabled tablets, Smartphones 3.5mm audio cable included allows you to connect this speaker to non-bluetooth enabled device such as MP3, laptop or PSP etc Built in Microphone allows you to use the speaker for phone calls hands free Lithium-ion rechargeable battery provides up to 4 hours of wireless play The speaker can connect wirelessly from up to 10m away