[Wide Compatible: Universal compatibility with Android and iPhone tablets smartphones iPods MP3 MP4 and other Bluetooth enabled digital Speaker players Built-in Battery: The speaker comes with a built-in rechargeable battery; Charge the battery fully before using it the first time; Only use the supplied USB cable to charge the speaker Built-in Microphone: It has a built-in MIC Bluetooth speaker and hands-free function so you can conveniently pick up a call with this mini speaker in your car bathroom home office or anywhere when it is connected to your Smartphone "Impressive User Friendly Design: Detachable suction cup and aluminum alloy metal hook offer you the convenience to hang and attach it anywhere you want; It can be used under harsh environment because its dustproof and waterproof" "Portable Speakers:
 Wireless portable bluetooth speakers let you enjoy a High Definition stereo sound with an impressive volume whether youre lounging around the house partying walking camping hiking or biking"]