COZY-TECH&reg;Light Weighted Hands-free Mini Ultra-portable Stereo Classic Wireless Bluetooth Speakers with 4 Hours Rechargeable Battery and Tf Card Supported , Internal Microphone, Compatible with All Bluetooth Enabled Devices ,Works for Iphone4/4s/5, Ipad 4/3/2, Itouch, Blackberry, Nexus, Samsung ,Galaxy Phones , Nokia, Htc, Tablets , Laptops, Notebook, Pc Computers and Other Smart Phones and Mp3 Players , Support USB Flash Drive & Micro Sd Card Playing, Upgraded with Lower Voice Prompts, Stylish and Design, Perfect Graduation Gift(black)