JZHY Portable Wireless Speakers with Enhanced Bass Resonator, Built-in Microphone, LED Display, FM Radio, Alarm Clock Support TF card/Micro SD card and USB input-Black Multifunction Bluetooth Speaker: There Is a Lcd Display for Time / Alarm Clock / Fm Radio / Battery Power / Bluetooth. And Also Built-in Microphone for Hands-free Phone Calls. The Device Supports Phone Redial and Reporting Function Enjoy Music Easily: Enjoy Wireless Music from Your SD Card / TF Card / USB / Bluetooth, or Play Music Through an Aux-in Line. Rechargeable Li Battery Provides up to 8 Hours of Playback Time Built-in Rechargeable Battery for up to 8 hours of playtime. Built-in microphone for hands-free speaker phone calling. Support iphone, ipod, Samsung and most smartphones as wireless speakers. FM Radio Speaker with LED display and clock and alam function. Support Micro SD Card and TF card insert and play. Compatible Devices: Dual Speakers 80hz-20000hz Bluetooth Speaker Works for Iphone, Ipad, Ipod, Mac Book, Samsung Galaxy, Kindle Fire, Nexus, Laptop, Computer and Car