Olatec Metal Case Bluetooth Speakers with Tf Card Mini Wireless Portable Hi-fi Mp3 Music Player Subwoofer Home Audio for iPhone 5 5s 6 6-Plus Samsung S3 S4 S5(S10 Blue) Built-in TF card slot, play music from TF Card Operating range is up to 10 meters Compact size for ease of carrying With Microphone, support Hands-Free phone call Mini wireless Bluetooth speaker