1. Color Avaible: Black， Blue， Green . 2. Compatible: For Mobile Phone， Notebook， Laptop， Tablet PC， PSP Player， MP3 Player， Smart TV， etc 3. TF Card Supported: 16GB Max 4. Features: a. The beautiful sealed silicone cases and interface design ensure Waterproof， Shockproof， dustproof， can be used under harsh environment such as: Outdoor Sports and Bathroom b. Support A2DP and and built with a 5W speaker. It can streams incredible stereo sound with full range output， crystal clear articulate high end. c. It has built-in MIC Bluetooth speaker and hands-free function， so you can conveniently pick up a call by this mini speaker in car， bathroom， at home or office， anywhere during it is connected to your Smartphone. d. Support TF Card， 16GB MAX， Excellent Bass Sound Quailty. e. Built-in 500mAh Rechargeable Lithium Polymer Battery， Music Play Time Up To 4 ~ 6 Hours， You Can Use The USB Connection On Your Computer To Charge， Or A USB Power Supply Of DC 5V. f. Bluetooth V3.0， Superior Compatibility， Works With Most Bluetooth Enabled Devices Including Mobile Phone， Notebook， Laptop， Tablet PC， PSP Player， MP3 Player， Smart TV， etc