[Foldable & Portable：195°rotary design to save more space and easy to carry& Support Micro SD card(up to 32G) and FM radio. 57mm Ultra-Big Speaker：brings amazing bass for you. But its impedance is only 16Î easy to drive by smart phones tablets and PCs. Bluetooth 5.0：the latest Bluetooth version brings top speed & power saving & enhanced transmission superbly compatible with iOS Android and Microsoft a perfect match for 4G standby time up to 1625hrs. Comfortable Newest Ergonomic Design to gether with artificial leather & memory foam to ensure comfortable wearing. Line-in Audio to enjoy music without interruption. Line-out audio to share music with your friends anytime.]