Yell BTS700 Portable Bluetooth Speaker - Green Connect wirelessly via Bluetooth or via 3.5-mm Stereo In-line Ultra-portable compact size with up to 10 hours of power from internal Li-ion rechargeable battery Easy pairing and setup Micro USB port for charging and audio input Compatibility: All iPods, iPhones, MP3 players, CD players, and laptops with 3.5-mm Stereo In-line or any other Bluetooth device