Olatec S28 Mini Bluetooth Speaker, Portable Wireless Mp3 Speakers Aluminum Material with Microphone, Built in Hands Free and Rechargable Battery,support Micro Sd Card Works for Iphone, Ipad Mini, Ipad 4/3/2, Itouch, Blackberry, Nexus, Samsung and Other Smart Phones and Mp3 Players Mini Bluetooth Speakers with excellent sound quality for its size.Fashionable aluminium case looks very pretty and give speaker good protection Getting a call while listening to the music,The Mini Bluetooth speaker with hands free function ,Build in microphone on the speaker. The aviation grade aluminum material, sanding BY CNC machining, the envy at first looks like a artwork.Whether you're on the go or relaxing at home, the convenience of these great Portable Bluetooth speaker will bring satisfaction to your ears that can be used anywhere and anytime with any Bluetooth enabled device If your device without bluetooth function,Don't worry,It also support TF card playback,Insert the the T-flash card to the slot then you can enjoy the wonderful music Mini wireless Bluetooth speaker,CHANGE TRACKS FROM YOUR PHONE. Or your laptop, or any other Bluetooth-enabled device from up to 30 feet away