SportBeat PRO Bluetooth 4.0 Wireless Speaker [IPX4 Rating for Indoor/Outdoor Use] The versatile SportBeat Bluetooth speaker is designed to accommodate every lifestyle. From bookshelf speaker to beach companion this compact unit packs a punch! The perfect Apple or Android companion speaker. Universally compatible Bluetooth 4.0 Built in Mic and speakerphone allow you to shift from music to phone calls seamlessly. Internal 4000mAh battery provides plenty of portable power for all day use. (8+ Hours) Professionally tuned to sound as beautiful as it looks. Guaranteed to blow you away or your money back!